2009 HIGH PERFORMANCE TAPS

Transcription

2009 HIGH PERFORMANCE TAPS
2009 HIGH PERFORMANCE TAPS
Navigating Your Way to Proper Tool Selection
GUHRING has marked its Standard Tap Series with color rings to help you
quickly and confidently choose the correct tool for your job. Each ring relates
to the unique machining behaviors of different materials as dictated by their
type and condition. The role of material type and condition in selecting the
proper tap for each application cannot be overstated.
So how do you use the GUHRING Tap Compass™ to find your way to
improved tapping performance?
s4HE'5(2).'4AP#OMPASS˜LISTSAWIDERANGEOFWORKPIECEMATERIALS
by type and condition, and identifies a “Recommended” and “Alternate”
color ring for each group. Just find your material, and you will find your ring.
s/NCEYOUKNOWTHEOPTIMUMCOLORRINGFORYOURMATERIALYOUWILLNEED
to answer 3 quick questions to pinpoint your route to the proper tool:
What type of hole are you tapping? Through hole or Blind hole.
What type of thread do you need? UNC, UNF, M or MF.
What tool standard do you require? ANSI or DIN.
General
Purpose
Alloyed & Unalloyed
Steels
Stainless
Steels
s7ITHYOURANSWERSINHANDYOUAREREADYTONAVIGATETOYOURCOLORRINGS
Series pages and find the exact style and size of tap you need for your job.
)TSTHATEASY4HE4AP#OMPASSBEGINSONPAGE
/NTHEENTRYPAGESFOREACHCOLORRINGSECTIONYOUWILLlNDTHERECOMMENDED
tapping speeds for your job – again specified by material type and condition.
In the technical section of the catalog you will also find a broad overview of
potential speeds for both cut and form taps. Please note: each application
presents many variables - we have done our best to provide speeds based on
our tool geometry for the average application.
For additional information about Guhring threading products or any of our
other families of high-performance cutting tools, visit www.guhring.com or
CONTACTUSDIRECTLYAT
High Tensile,
Tool Steels
Cast Iron
Aluminum
and Alloys
Titanium
or Nickel
Contents
GENERAL
INFORMATION
sæ)NDEXæTOæ'UHRINGæ4APSæ
sæ4APæ#OMPASSææ-ATERIALæ3ELECTIONæ'UIDEæ
sæ-ATERIALæ(ARDNESSæ#ROSSæ2EFERENCEæ#HARTæ
0AGEæ
0AGEæ
0AGEæ
CUT TAPS
sæ&ORæGENERALæPURPOSEæAPPLICATIONSæ
sæ&ORæALLOYEDææUNALLOYEDæSTEELSæ
sæ&ORæSTAINLESSæSTEELSææAEROSPACEæALLOYSæ
sæ&ORæHIGHTENSILEæANDæTOOLæSTEELSæ
sæ&ORæCASTæIRONææABRASIVEæMATERIALSæ
sæ&ORæALUMINUMææALUMINUMæALLOYSæ
sæ&ORæTITANIUMæNICKELæANDæTHEIRæALLOYSæ
0AGEæ
0AGEæ
0AGEæ
0AGEæ
0AGEæ
0AGEæ
0AGEæ
STI TAPS
sæ4HROUGHæHOLEæ
sæ"LINDæHOLEæ
0AGEæ
0AGEæ
FORM TAPS
sæ4ECHNICALæOVERVIEWæ
sæ5.#5.&æ
sæ-ETRICæ
sæ-ETRICæFINEæ
0AGEæ 0AGEæ 0AGEæ 0AGEæ TECHNICAL
INFORMATION
sæ$EFINITIONSæFLUTEæFORMSæCHAMFERæFORMSæ
sæ4APæTOLERANCESæANDæAPPROXæLIMITSæ
sæ#UTTINGæRATEæRECOMMENDATIONSæ
sæ$).æCHARACTERISTICæFEATURESæFORæTAPSæ
sæ'UHRINGæSUBSTRATEæANDæCOATINGæDESCRIPTIONSæ
sæ4APæDRILLæSIZESæ
sæ4ROUBLESHOOTINGæ
0AGEæ 0AGEæ 0AGEæ 0AGEæ 0AGEæææ
0AGEææ 0AGEææ sæ#OBALTæ0-æCOBALTæANDæCARBIDEæTAPSæ
0AGEæ GUHRING NO.
APPENDIX
Through hole taps
Series
ThreadType
Color
Ring
Class of
Fit
Standard
Chamfer
Lead
Substrate
Finish
Page
No.
Index
UNC
3901
UNC
2B
ANSI
B
Cobalt
bright finish
26
3961
UNC
2B
ANSI
B
Cobalt
MolyGlide®
26
873
UNC
2B
DIN 371
B
Cobalt
bright finish
26
878
UNC
2B
DIN 376
B
Cobalt
bright finish
26
3902
UNF
2B
ANSI
B
Cobalt
bright finish
27
3962
UNF
2B
ANSI
B
Cobalt
MolyGlide®
27
908
UNF
2B
DIN 374
B
Cobalt
bright finish
27
3900
Metric
6H
ANSI
B
Cobalt
bright finish
28
3960
Metric
6H
ANSI
B
Cobalt
MolyGlide®
28
803
Metric
ISO 2 (6H)
DIN 371
B
Cobalt
bright finish
28
815
Metric
ISO 2 (6H)
DIN 376
B
Cobalt
bright finish
29
UNF
METRIC
METRIC FINE
827
Metric
Fine
ISO 2 (6H)
DIN 374
B
Cobalt
bright finish
30
830
Metric
Fine
ISO 2 (6H)
DIN 374
C
Cobalt
bright finish
31
3913
UNC
2B
ANSI
B
Cobalt
bright finish
38
3916
UNC
2B
ANSI
B
Cobalt
TiN coated
38
3946
UNC
2B
ANSI
B
Cobalt
TiCN
coated
38
2881
UNC
2B
DIN 371
B
Cobalt
oxide finish
38
2883
UNC
2B
DIN 376
B
Cobalt
oxide finish
38
UNC
2
General
Purpose
Alloyed & Unalloyed
Steels
Stainless
Steels
High Tensile,
Tool Steels
Cast Iron
Aluminum
and Alloys
For a complete description of workpiece materials and which color ring they fall under, please see the Tap Compass at the beginning of the catalog
Titanium
or Nickel
Through hole taps
Series
ThreadType
Color
Ring
Class of
Fit
Standard
Chamfer
Lead
Substrate
Finish
Page
No.
UNF
UNF
2B
ANSI
B
Cobalt
bright finish
39
3917
UNF
2B
ANSI
B
Cobalt
TiN coated
39
3947
UNF
2B
ANSI
B
Cobalt
TiCN
coated
39
2885
UNF
2B
DIN 374
B
Cobalt
oxide finish
39
3912
Metric
6H
ANSI
B
Cobalt
bright finish
40
3915
Metric
6H
ANSI
B
Cobalt
TiN coated
40
3945
Metric
6H
ANSI
B
Cobalt
TiCN
coated
40
2876
Metric
6H
DIN 371
B
Cobalt
oxide finish
40
Index
3914
METRIC
METRIC FINE
3973
Metric
Fine
6H
ANSI
B
Cobalt
TiN coated
41
2879
Metric
Fine
ISO 2 (6H)
DIN 374
B
Cobalt
oxide finish
41
OVERSIZED
3982
UNC /
oversized
H7
ANSI
B
Cobalt
TiN coated
50
3986
UNC /
oversized
H11
ANSI
B
Cobalt
TiN coated
50
3983
UNF /
oversized
H7
ANSI
B
Cobalt
TiN coated
51
3987
UNF /
oversized
H11
ANSI
B
Cobalt
TiN coated
51
3990
UNC /
STI
3B
STI Tap
B
Cobalt
TiN coated
54
3991
UNF /
STI
3B
STI Tap
B
Cobalt
TiN coated
54
3907
UNC
2B
ANSI
B
PM cobalt
TiN coated
58
1980
UNC
2B
DIN 371
B
Cobalt
bright finish
58
1985
UNC
2B
DIN 376
B
Cobalt
bright finish
58
STI
UNC
General
Purpose
Alloyed & Unalloyed
Steels
Stainless
Steels
High Tensile,
Tool Steels
Cast Iron
Aluminum
and Alloys
Titanium
or Nickel
For a complete description of workpiece materials and which color ring they fall under, please see the Tap Compass at the beginning of the catalog
3
Through hole taps
Series
ThreadType
Color
Ring
Class of
Fit
Standard
Chamfer
Lead
Substrate
Finish
Page
No.
Index
UNF
3908
UNF
2B
ANSI
B
PM cobalt
TiN coated
59
1990
UNF
2B
DIN 374
B
Cobalt
bright finish
59
3906
Metric
6H
ANSI
B
PM cobalt
TiN coated
60
877
Metric
ISO 2 (6H)
DIN 371
B
PM cobalt
bright finish
61
879
Metric
ISO 2 (6H)
DIN 376
B
PM cobalt
bright finish
60
1870
Metric
ISO 2 (6H)
DIN 371
B
Cobalt
bright finish
61
1872
Metric
ISO 2 (6H)
DIN 376
B
Cobalt
bright finish
60
Metric
Fine
ISO 2 (6H)
DIN 374
B
Cobalt
bright finish
61
UNC
2B
DIN /
ANSI
B
PM cobalt
TiN coated
68
UNF
2B
DIN /
ANSI
B
PM cobalt
TiN coated
68
804
Metric
6H
DIN 371
B
Cobalt
bright finish
69
1914
Metric
ISO 2 (6H)
DIN 371
B
Cobalt
TiCN
coated
69
816
Metric
ISO 2 (6H)
DIN 376
B
Cobalt
bright finish
69
1915
Metric
ISO 2 (6H)
DIN 376
B
Cobalt
TiCN
coated
69
Metric
Fine
ISO 2 (6H)
DIN 374
B
Cobalt
bright finish
70
3937
UNC
2B
ANSI
C
Cobalt
FIREX®
coated
78
1979
UNC
2B
DIN 371
C
Cobalt
oxide finish
78
1984
UNC
2B
DIN 376
C
Cobalt
oxide finish
78
METRIC
METRIC FINE
1873
UNC
3992
UNF
3994
METRIC
METRIC FINE
828
UNC
4
General
Purpose
Alloyed & Unalloyed
Steels
Stainless
Steels
High Tensile,
Tool Steels
Cast Iron
Aluminum
and Alloys
For a complete description of workpiece materials and which color ring they fall under, please see the Tap Compass at the beginning of the catalog
Titanium
or Nickel
Through hole taps
Series
ThreadType
Color
Ring
Class of
Fit
Standard
Chamfer
Lead
Substrate
Finish
Page
No.
UNF
UNF
2B
ANSI
C
Cobalt
FIREX®
coated
79
1989
UNF
2B
DIN 374
C
Cobalt
oxide finish
79
3936
Metric
6HX
ANSI
C
Cobalt
FIREX®
coated
80
969
Metric
ISO2(6H)
DIN 371
C
Carbide
bright finish
82
1883
Metric
ISO2(6H)
DIN 376
C
Carbide
bright finish
82
1858
Metric
ISO2(6H)
DIN 371
C
Carbide
bright finish
80
1859
Metric
ISO2(6H)
DIN 376
C
Carbide
bright finish
80
318
Metric
6HX
DIN 371
C
Cobalt
TiAlN oated
82
1890
Metric
6HX
DIN 371
C
Cobalt
oxide finish
82
319
Metric
6HX
DIN 376
C
Cobalt
TiAlN oated
82
1897
Metric
6HX
DIN 376
C
Cobalt
oxide finish
82
Index
3938
METRIC
METRIC FINE
972
Metric
Fine
ISO2(6H)
DIN 371
C
Carbide
bright finish
83
1861
Metric
Fine
ISO2(6H)
DIN 371
C
Carbide
bright finish
81
1860
Metric
Fine
ISO2(6H)
DIN 374
C
Carbide
bright finish
81
347
Metric
Fine
6HX
DIN 374
C
Cobalt
TiAlN
coated
83
1904
Metric
Fine
6HX
DIN 374
C
Cobalt
oxide finish
83
3925
UNC
2B
ANSI
B
Cobalt
bright finish
86
3928
UNC
2B
ANSI
B
Cobalt
TiN coated
86
3967
UNC
2B
ANSI
B
Cobalt
MolyGlide®
86
UNC
General
Purpose
Alloyed & Unalloyed
Steels
Stainless
Steels
High Tensile,
Tool Steels
Cast Iron
Aluminum
and Alloys
Titanium
or Nickel
For a complete description of workpiece materials and which color ring they fall under, please see the Tap Compass at the beginning of the catalog
5
Through hole taps
Series
ThreadType
Color
Ring
Class of
Fit
Standard
Chamfer
Lead
Substrate
Finish
Page
No.
Index
UNF
3926
UNF
2B
ANSI
B
Cobalt
bright finish
86
3929
UNF
2B
ANSI
B
Cobalt
TiN coated
86
3968
UNF
2B
ANSI
B
Cobalt
MolyGlide®
86
3924
Metric
6H
ANSI
B
Cobalt
bright finish
87
3927
Metric
6H
ANSI
B
Cobalt
TiN coated
87
3966
Metric
6H
ANSI
B
Cobalt
MolyGlide®
87
1858
Metric
ISO 2 (6H)
DIN 371
C
Carbide
bright finish
87
1859
Metric
ISO 2 (6H)
DIN 376
C
Carbide
bright finish
87
METRIC
METRIC FINE
1860
Metric
Fine
ISO 2 (6H)
DIN 371
C
Carbide
bright finish
88
1861
Metric
Fine
ISO 2 (6H)
DIN 376
C
Carbide
bright finish
88
2BX
DIN 371
B
PM cobalt
bright finish
94
2BX
DIN 371
B
PM cobalt
bright finish
94
2BX
DIN 371
B
PM cobalt
bright finish
94
2BX
DIN 371
B
PM cobalt
bright finish
94
6HX
DIN 371
B
PM cobalt
bright finish
95
6HX
DIN 371
B
PM cobalt
bright finish
95
6HX
DIN 371
B
PM cobalt
bright finish
95
6HX
DIN 371
B
PM cobalt
bright finish
95
UNC
2904
2918
UNC
2905‡
UNC
Ni
Ti
UNF
2906
2919
UNF
2907‡
UNF
Ni
Ti
METRIC
2900
2916
Metric
2901‡
Metric
Ni
Ti
METRIC FINE
2902
2917
Metric
Fine
Ni
2903‡
Metric
Fine
Ti
‡ Design change - Crossed out series numbers are being replaced with the numbers with this symbol: ‡ Older series numbers available while supplies lst.
6
General
Purpose
Alloyed & Unalloyed
Steels
Stainless
Steels
High Tensile,
Tool Steels
Cast Iron
Aluminum
and Alloys
For a complete description of workpiece materials and which color ring they fall under, please see the Tap Compass at the beginning of the catalog
Titanium
or Nickel
Blind hole taps
Series
Thread
Type
Color
Ring
Class of
Fit
Standard
Chamfer Lead
Helix
Substrate
Finish
Page
No.
UNC
UNC
2B
ANSI
C
40°
helix
Cobalt
bright finish
32
3964
UNC
2B
ANSI
C
40°
helix
Cobalt
MolyGlide®
32
876
UNC
2B
DIN 371
C
40°
helix
Cobalt
bright finish
32
881
UNC
2B
DIN 376
C
40°
helix
Cobalt
bright finish
32
3905
UNF
2B
ANSI
C
40°
helix
Cobalt
bright finish
33
3965
UNF
2B
ANSI
C
40°
helix
Cobalt
MolyGlide®
33
911
UNF
2B
DIN 374
C
40°
helix
Cobalt
bright finish
33
3903
Metric
6H
ANSI
C
40°
helix
Cobalt
bright finish
34
3963
Metric
6H
ANSI
C
40°
helix
Cobalt
MolyGlide®
34
810
Metric
ISO 2
(6H)
DIN 371
C
40°
helix
Cobalt
bright finish
34
822
Metric
ISO 2
(6H)
DIN 376
C
40°
helix
Cobalt
bright finish
34
Cobalt
bright finish
31
Index
3904
UNF
METRIC
METRIC FINE
830
Metric
Fine
ISO 2
(6H)
DIN 374
C
833
Metric
Fine
ISO 2
(6H)
DIN 374
C
15°
helix
Cobalt
bright finish
35
834
Metric
Fine
ISO 2
(6H)
DIN 374
C
40°
helix
Cobalt
bright finish
35
3977
UNC
2B
ANSI
E
40°
helix
Cobalt
TiN coated
44
3919
UNC
2B
ANSI
C
40°
helix
Cobalt
bright finish
42
3922
UNC
2B
ANSI
C
40°
helix
Cobalt
TiN coated
42
3949
UNC
2B
ANSI
C
40°
helix
Cobalt
TiCN
coated
42
3954
UNC
2B
ANSI
C
40°
helix
Cobalt
TiN coated
45
1837
UNC
2B
DIN 371
C(K)
40°
helix
Cobalt
TiN coated
42
UNC
General
Purpose
Alloyed & Unalloyed
Steels
Stainless
Steels
High Tensile,
Tool Steels
Cast Iron
Aluminum
and Alloys
Titanium
or Nickel
For a complete description of workpiece materials and which color ring they fall under, please see the Tap Compass at the beginning of the catalog
7
Blind hole taps
Series
Thread
Type
Color
Ring
Class of
Fit
Standard
Chamfer Lead
Helix
Substrate
Finish
Page
No.
Index
UNF
3978
UNF
2B
ANSI
E
40°
helix
Cobalt
TiN coated
44
3920
UNF
2B
ANSI
C
40°
helix
Cobalt
bright
finish
43
3923
UNF
2B
ANSI
C
40°
helix
Cobalt
TiN coated
43
3950
UNF
2B
ANSI
C
40°
helix
Cobalt
TiCN
coated
43
3955
UNF
2B
ANSI
C
40°
helix
Cobalt
TiN coated
45
1838
UNF
2B
DIN 374
C(K)
40°
helix
Cobalt
TiN coated
43
3976
Metric
6H
ANSI
E
40°
helix
Cobalt
TiN coated
48
3918
Metric
6H
ANSI
C
40°
helix
Cobalt
bright
finish
46
3921
Metric
6H
ANSI
C
40°
helix
Cobalt
TiN coated
46
3948
Metric
6H
ANSI
C
40°
helix
Cobalt
TiCN
coated
46
2790
Metric
ISO 2
(6H)
DIN 371
E
40°
helix
Cobalt
bright
finish
48
889
Metric
ISO 2
(6H)
DIN 371
C
40°
helix
Cobalt
bright
finish
46
2791
Metric
ISO 2
(6H)
DIN 376
E
40°
helix
Cobalt
bright
finish
48
890
Metric
ISO 2
(6H)
DIN 376
C
40°
helix
Cobalt
bright
finish
46
METRIC
METRIC FINE
3974
Metric
Fine
6H
ANSI
C
40°
helix
Cobalt
TiN coated
47
2792
Metric
Fine
ISO 2
(6H)
DIN 374
E
40°
helix
Cobalt
bright
finish
48
2424
Metric
Fine
ISO 2
(6H)
DIN 374
C
40°
helix
Cobalt
bright
finish
47
OVERSIZED
8
3980
UNC /
oversized
H7
ANSI
C
40°
helix
Cobalt
TiN coated
52
3984
UNC /
oversized
H11
ANSI
C
40°
helix
Cobalt
TiN coated
52
3981
UNF /
oversized
H7
ANSI
C
40°
helix
Cobalt
TiN coated
53
3985
UNF /
oversized
H11
ANSI
C
40°
helix
Cobalt
TiN coated
53
General
Purpose
Alloyed & Unalloyed
Steels
Stainless
Steels
High Tensile,
Tool Steels
Cast Iron
Aluminum
and Alloys
For a complete description of workpiece materials and which color ring they fall under, please see the Tap Compass at the beginning of the catalog
Titanium
or Nickel
Blind hole taps
Series
Thread
Type
Color
Ring
Class of
Fit
Standard
Chamfer Lead
Helix
Substrate
Finish
Page
No.
STI
UNC /
STI
3B
STI Tap
C
40°
helix
Cobalt
TiN coated
55
3989
UNF /
STI
3B
STI Tap
C
40°
helix
Cobalt
TiN coated
55
3910
UNC
2B
ANSI
C
40°
helix
PM
cobalt
TiN coated
62
1981
UNC
2B
DIN 376
C
40°
helix
Cobalt
bright finish
62
1986
UNC
2B
DIN 376
C
40°
helix
Cobalt
bright finish
62
3911
UNF
2B
ANSI
C
40°
helix
PM
cobalt
TiN coated
63
2867
UNF
2B
DIN 374
C
40°
helix
Cobalt
bright finish
63
3909
Metric
6H
ANSI
C
40°
helix
PM
cobalt
TiN coated
64
909
Metric
ISO 2
(6H)
DIN 371
C
40°
helix
PM
cobalt
bright finish
64
910
Metric
ISO 2
(6H)
DIN 376
C
40°
helix
PM
cobalt
bright finish
64
2896
Metric
ISO 2
(6H)
DIN 371
C
15°
helix
Cobalt
TiN coated
65
2895
Metric
ISO 2
(6H)
DIN 376
C
15°
helix
Cobalt
TiN coated
65
Index
3988
UNC
UNF
METRIC
METRIC FINE
936
Metric
Fine
ISO 2
(6H)
DIN 374
C
40°
helix
PM
cobalt
bright finish
64
2897
Metric
Fine
ISO 2
(6H)
DIN 374
C
15°
helix
Cobalt
TiN coated
65
UNC
2B
DIN /
ANSI
C
40°
helix
PM
cobalt
TiN coated
71
UNF
2B
DIN /
ANSI
C
40°
helix
PM
cobalt
TiN coated
71
1188
Metric
6HX
DIN 371
C
15°
helix
PM
cobalt
TiCN
coated
74
1194
Metric
6HX
DIN 374
C
15°
helix
PM
cobalt
TiCN
coated
74
UNC
3993
UNF
3995
METRIC
General
Purpose
Alloyed & Unalloyed
Steels
Stainless
Steels
High Tensile,
Tool Steels
Cast Iron
Aluminum
and Alloys
Titanium
or Nickel
For a complete description of workpiece materials and which color ring they fall under, please see the Tap Compass at the beginning of the catalog
9
Index
Blind hole taps
Series
Thread
Type
811
Color
Ring
Class of
Fit
Standard
Chamfer Lead
Helix
Substrate
Finish
Page
No.
Metric
ISO 2
(6H)
DIN 371
C
40°
helix
Cobalt
bright finish
72
823
Metric
ISO 2
(6H)
DIN 376
C
40°
helix
Cobalt
bright finish
73
935
Metric
ISO 2
(6H)
DIN 376
C
15°
helix
PM
cobalt
bright finish
73
1894
Metric
ISO 2
(6H)
DIN 371
C
40°
helix
Cobalt
bright finish
72
1916
Metric
ISO 2
(6H)
DIN 371
C
40°
helix
Cobalt
TiCN
coated
72
1901
Metric
ISO 2
(6H)
DIN 376
C
40°
helix
Cobalt
bright finish
72
1917
Metric
ISO 2
(6H)
DIN 376
C
40°
helix
Cobalt
TiCN
coated
73
2944
Metric
ISO 2
(6H)
Guhring
Std.
D
0° helix
Carbide
TiCN
coated
73
METRIC FINE
1200
Metric
Fine
6HX
DIN 376
C
15°
helix
PM
cobalt
TiCN
coated
74
835
Metric
Fine
ISO 2
(6H)
DIN 374
C
40°
helix
Cobalt
bright finish
75
1907
Metric
Fine
ISO 2
(6H)
DIN 374
C
40°
helix
Cobalt
bright finish
75
3937
UNC
2B
ANSI
C
Cobalt
FIREX®
coated
78
1979
UNC
2B
DIN 371
C
Cobalt
oxide finish
78
1984
UNC
2B
DIN 376
C
Cobalt
oxide finish
78
3938
UNF
2B
ANSI
C
Cobalt
FIREX®
coated
79
1989
UNF
2B
DIN 374
C
Cobalt
oxide finish
79
3936
Metric
6HX
ANSI
C
Cobalt
FIREX®
coated
80
1858
Metric
ISO2(6H)
DIN 371
C
Carbide
bright finish
80
1859
Metric
ISO2(6H)
DIN 376
C
Carbide
bright finish
80
318
Metric
6HX
DIN 371
C
Cobalt
TiAlN
coated
82
319
Metric
6HX
DIN 376
C
Cobalt
TiAlN
coated
82
UNC
UNF
METRIC
10
General
Purpose
Alloyed & Unalloyed
Steels
Stainless
Steels
High Tensile,
Tool Steels
Cast Iron
Aluminum
and Alloys
For a complete description of workpiece materials and which color ring they fall under, please see the Tap Compass at the beginning of the catalog
Titanium
or Nickel
Blind hole taps
Series
Thread
Type
Color
Ring
Class of
Fit
Standard
Chamfer Lead
Helix
Substrate
Finish
Page
No.
METRIC FINE
Metric
Fine
ISO2(6H)
DIN 371
C
Carbide
bright finish
83
1861
Metric
Fine
ISO2(6H)
DIN 371
C
Carbide
bright finish
81
1860
Metric
Fine
ISO2(6H)
DIN 374
C
Carbide
bright finish
81
347
Metric
Fine
6HX
DIN 374
C
Cobalt
TiAlN
coated
83
1904
Metric
Fine
6HX
DIN 374
C
Cobalt
oxide finish
83
3931
UNC
2B
ANSI
C
45°
helix
Cobalt
bright finish
89
3934
UNC
2B
ANSI
C
45°
helix
Cobalt
TiN coated
89
3970
UNC
2B
ANSI
C
45°
helix
Cobalt
MolyGlide®
89
3932
UNF
2B
ANSI
C
45°
helix
Cobalt
bright finish
89
3935
UNF
2B
ANSI
C
45°
helix
Cobalt
TiN coated
89
3971
UNF
2B
ANSI
C
45°
helix
Cobalt
MolyGlide®
89
3930
Metric
6H
ANSI
C
45°
helix
Cobalt
bright finish
90
3933
Metric
6H
ANSI
C
45°
helix
Cobalt
TiN coated
90
3969
Metric
6H
ANSI
C
45°
helix
Cobalt
MolyGlide®
90
969
Metric
ISO 2
(6H)
DIN 371
C
Carbide
bright finish
90
971
Metric
ISO 2
(6H)
DIN 371
C
Carbide
bright finish
90
1883
Metric
ISO 2
(6H)
DIN 376
C
Carbide
bright finish
90
Carbide
bright finish
91
Index
972
UNC
UNF
METRIC
15°
helix
METRIC FINE
972
Metric
Fine
ISO 2
(6H)
DIN 371
C
977
Metric
Fine
ISO 2
(6H)
DIN 371
C
15°
helix
Carbide
bright finish
91
978
Metric
Fine
ISO 2
(6H)
DIN 374
C
15°
helix
Carbide
bright finish
91
General
Purpose
Alloyed & Unalloyed
Steels
Stainless
Steels
High Tensile,
Tool Steels
Cast Iron
Aluminum
and Alloys
Titanium
or Nickel
For a complete description of workpiece materials and which color ring they fall under, please see the Tap Compass at the beginning of the catalog
11
Blind hole taps
Series
Thread
Type
Color
Ring
Class of
Fit
Standard
Chamfer Lead
Helix
Substrate
Finish
Page
No.
2BX
DIN 371
C
10°
helix
PM
cobalt
TiAlN
coated
96
2BX
DIN 371
C
15°
helix
PM
cobalt
TiCN
coated
96
2BX
DIN 371
C
10°
helix
PM
cobalt
TiAlN
coated
96
2BX
DIN 371
C
15°
helix
PM
cobalt
TiCN
coated
96
6HX
DIN 371
C
10°
helix
PM
cobalt
TiAlN
coated
97
6HX
DIN 371
C
15°
helix
PM
cobalt
TiCN
coated
97
6HX
DIN 371
C
10°
helix
PM
cobalt
TiAlN
coated
97
6HX
DIN 371
C
15°
helix
PM
cobalt
TiCN
coated
97
Index
UNC
2922
UNC
2912
UNC
Ni
Ti
UNF
2923
UNF
2914
UNF
Ni
Ti
METRIC
2920
Metric
2908 2908‡
Metric
Ni
Ti
METRIC FINE
2921
Metric
Fine
Ni
2910
Metric
Fine
Ti
‡ Design change - Crossed out series numbers are being replaced with the numbers with this symbol: ‡ Older series numbers available while supplies lst.
Form taps
Series
ThreadType
Color
Ring
Class of
Fit
Standard
Chamfer
Lead
Substrate
Finish
Page
No.
UNC
3959
UNC
2BX
ANSI
E
Cobalt
TiN coated
106
3940
UNC
2BX
ANSI
C
Cobalt
TiN coated
106
3943
UNC
2BX
ANSI
C
Cobalt
TiCN coated
106
1582
UNC
2BX
DIN 371
C
Cobalt
TiN coated
107
1583
UNC
2BX
DIN 376
C
Cobalt
TiN coated
107
3972
UNF
2BX
ANSI
E
Cobalt
TiN coated
108
3941
UNF
2BX
ANSI
C
Cobalt
TiN coated
107
3944
UNF
2BX
ANSI
C
Cobalt
TiCN coated
107
UNF
12
General
Purpose
Alloyed & Unalloyed
Steels
Stainless
Steels
High Tensile,
Tool Steels
Cast Iron
Aluminum
and Alloys
For a complete description of workpiece materials and which color ring they fall under, please see the Tap Compass at the beginning of the catalog
Titanium
or Nickel
Form taps
Series
ThreadType
1584
1585
Color
Ring
Standard
Chamfer
Lead
Substrate
Finish
Page
No.
UNF
2BX
DIN 371
C
Cobalt
TiN coated
108
UNF
2BX
DIN 376
C
Cobalt
TiN coated
108
3979
Metric
6HX
ANSI
E
Cobalt
TiN coated
109
3939
Metric
6HX
ANSI
C
Cobalt
TiN coated
109
3942
Metric
6HX
ANSI
C
Cobalt
TiCN coated
109
1927
Metric
6HX
DIN 371
E
Carbide
*TiCN coated
110
1972
Metric
6HX
DIN 371
C
Carbide
*TiCN coated
110
1931
Metric
6HX
DIN 376
C
Carbide
*TiCN coated
111
323
Metric
6HX
DIN 371
C
PM cobalt
TiCN coated
110
1717
Metric
6HX
DIN 371
C
PM cobalt
AlCrN
110
919
Metric
6HX
DIN 371
C
Cobalt
TiN coated
110
342
Metric
6HX
DIN 376
C
PM cobalt
TiN coated
111
1719
Metric
6HX
DIN 376
C
PM cobalt
AlCrN
111
Index
Class of
Fit
METRIC
METRIC FINE
3975
Metric
Fine
6HX
ANSI
C
Cobalt
TiN coated
111
1581
Metric
Fine
6HX
DIN 374
C
Carbide
*TiCN coated
113
1721
Metric
Fine
6HX
DIN 371
C
PM cobalt
AlCrN
113
338
Metric
Fine
6HX
DIN 374
C
PM cobalt
TiN coated
112
1723
Metric
Fine
6HX
DIN 374
C
PM cobalt
AlCrN
112
927
Metric
Fine
6HX
DIN 374
C
Cobalt
TiN coated
112
* All carbide form taps will be changing to TiCN coating as inventory levels are replenished
General
Purpose
Alloyed & Unalloyed
Steels
Stainless
Steels
High Tensile,
Tool Steels
Cast Iron
Aluminum
and Alloys
Titanium
or Nickel
For a complete description of workpiece materials and which color ring they fall under, please see the Tap Compass at the beginning of the catalog
13
Condition
Tap Compass
Material
Form
TiNi
1005, 1006, 1008, 1009, 1010, 1011, 1012,
1013, 1015, 1016, 1017, 1018, 1019, 1020,
1021, 1022, 1023, 1025, 1026, 1029
Tap
Compass
™
Unalloyed
Carbon Steels
1060, 1064, 1065, 1069, 1070, 1071, 1074,
1075, 1078, 1080, 1084, 1085, 1086, 1090,
1095
Low Carbon
-
≤ 180
Hot rolled, Normalized, Annealed,
Cold drawn
≤ 20
≤ 230
Annealed, Cold drawn
≤ 30
≤ 280
-
≤ 180
≤ 20
≤ 230
Annealed, Cold drawn,
Quenched and Tempered
≤ 30
≤ 280
Normalized, Annealed,
Quenched and Tempered
≤ 35
≤ 320
Quenched and Tempered
≤ 38
≤ 350
Hot rolled, Normalized, Annealed,
Cold drawn
≤ 38
≤ 230
Hot rolled, Annealed, Cold drawn,
Quenched and Tempered
≤ 20
≤ 280
Normalized, Annealed,
Quenched and Tempered
≤ 35
≤ 320
Quenched and Tempered
≤ 38
≤ 350
-
≤ 150
-
≤ 200
≤ 25
≤ 250
-
≤ 200
≤ 25
≤ 250
≤ 33
≤ 300
≤ 38
≤ 350
Hot rolled, Annealed
-
≤ 150
Cold drawn
-
≤ 200
-
≤ 180
≤ 20
≤ 230
≤ 30
≤ 280
≤ 35
≤ 320
≤ 38
≤ 350
10L10, 10L15, 10L17, 10L20, 10L23, 11L15,
11L16, 11L17, 12L11, 12L12, 12L13, 12L14,
12L15, 51L15, 1L17, 51L20
Hot rolled, Normalized, Annealed,
Cold drawn
Free Machining
Leaded Steels
Medium Carbon
10L25, 10L30, 10L35, 10L40, 10L42, 10L45,
10L49, 10L50, 10L55, 86L20, 86L40, 11L37,
11L38, 11L39, 11L41, 11L44, 11L46, 41L25,
41L30, 41L35, 41L40, 41L42, 41L47, 41L50
Cold drawn,
Quenched and Tempered
Low Carbon
1108, 1109, 1110, 1114, 1115, 1116, 1118,
1119, 1120, 1126, 1211, 1212, 1213, 1215
Hot rolled, Normalized, Annealed,
Cold drawn
Resulphurized
Steels
Medium Carbon
1132, 1137, 1138, 1139, 1140, 1141, 1144,
1145, 1146, 1151
Cold drawn,
Quenched and Tempered
COLOR RING
Brinell Recommended Alternate(s)
Normalized, Hot rolled, Annealed,
Cold drawn
Hot rolled, Normalized, Annealed,
Cold Drawn
1030, 1033, 1035, 1037, 1038, 1039, 1040,
1042, 1043, 1044, 1045, 1046, 1049, 1050,
1053,
1055, 1059
Hardness
HRC
Quenched and Tempered
14
General
Purpose
Alloyed & Unalloyed
Steels
Stainless
Steels
High Tensile,
Tool Steels
Cast Iron
Aluminum
and Alloys
Titanium
or Nickel
Hardness
Condition
Material
1513, 1518, 1522
Normalized, Hot rolled, Annealed,
Cold drawn
-
≤ 180
Annealed, Cold drawn
≤ 20
≤ 230
Hot rolled, Normalized, Annealed,
Cold drawn
≤ 30
≤ 280
-
≤ 180
≤ 20
≤ 230
Hot rolled, Annealed, Cold drawn,
Normalized, Quenched and Tempered
≤ 30
≤ 280
Normalized, Annealed,
Quenched and Tempered
≤ 35
≤ 320
Quenched and Tempered
≤ 38
≤ 350
Hot rolled, Normalized, Annealed,
Cold Drawn
≤ 20
≤ 230
Hot rolled, Annealed, Cold drawn,
Normalized, Quenched and Tempered
≤ 30
≤ 280
Normalized, Annealed,
Quenched and Tempered
≤ 35
≤ 320
Quenched and Tempered
≤ 38
≤ 350
Hot rolled, Normalized,
Stress relieved
-
≤ 150
-
≤ 200
≤ 25
≤ 250
≤ 38
≤ 300
≤ 38
≤ 350
-
≤ 180
≤ 20
≤ 230
≤ 30
≤ 280
-
≤ 180
≤ 20
≤ 230
Hot rolled, Cold drawn, Annealed,
Normalized, Quenched and Tempered
≤ 30
≤ 280
Normalized, Annealed,
Quenched and Tempered
≤ 35
≤ 320
Quenched and Tempered
≤ 38
≤ 350
Hot rolled, Normalized, Annealed,
Cold drawn
Carbon
Manganese
Steels
Medium Carbon
High Carbon
1524, 1525, 1526, 1527, 1536, 1541
1547, 1548 (46Mn5), 1551 (52Mn4), 1552
(52Mn5), 1561, 1566 (66Mn4), 1572 (80Mn4)
30, 35, 42, 45, 50
55, 60, 65
Structural
Steels
Yield Strength
in 1000 PSI
70, 75 , 80
Hot rolled, Normalized,
Stress relieved,
Quenched and Tempered
85, 90 , 100, 110
135, 140, 145, 150, 160
Low Carbon
Manganese Steels
10B08, 10B15, 10B16, 10B21, 10B22, 10B23
Quenched and Tempered
Normalized, Hot rolled, Annealed,
Cold drawn
Annealed, Cold drawn
Boron Treated
Steels
Hot rolled, Normalized, Annealed,
Cold drawn
Medium Carbon
Manganese Steels
10B30, 10B35, 10B37, 10B38, 10B39, 10B40,
10B41, 10B45, 10B50, 10B62, 13B20,
15B22, 15B47
Continues on next page
General
Purpose
Alloyed & Unalloyed
Steels
Stainless
Steels
High Tensile,
Tool Steels
Cast Iron
Aluminum
and Alloys
COLOR RING
Brinell Recommended Alternate(s)
Titanium
or Nickel
Tap Compass
Low Carbon
HRC
15
Condition
Tap Compass
Material
Low Carbon
Alloyed Steels
32B15, 41B18, 51B15, 51B17, 51B20,
86B20, 86B22, 94B15, 94B17
Medium Carbon
Alloyed Steels
51B30, 51B32, 51B40, 51B55, 92B55, 50B40,
50B44, 50B46, 50B50, 50B60, 51B60, 81B45,
86B45, 94B30, 94B40
≤ 20
≤ 230
Hot rolled, Annealed,
Cold drawn, Normalized
≤ 30
≤ 280
≤ 35
≤ 320
≤38
≤ 350
Hot rolled, Annealed,
Cold drawn
≤ 20
≤ 230
Normalized, Cold drawn, Annealed,
Quenched and Tempered
≤ 30
≤ 280
≤ 35
≤ 320
≤ 38
≤ 350
Hot rolled, Annealed,
Cold drawn
≤ 20
≤ 230
Hot rolled, Normalized, Annealed,
Cold drawn
≤ 30
≤ 280
≤ 35
≤ 320
≤38
≤ 350
Hot rolled, Annealed, Cold drawn
≤ 20
≤ 230
Annealed, Normalized, Cold drawn,
Quenched and Tempered
≤ 30
≤ 280
≤ 35
≤ 320
≤ 38
≤ 350
-
≤ 185
-
≤ 180
Annealed, Cold drawn
≤ 20
≤ 230
Cold drawn
≤ 30
≤ 280
-
≤ 180
≤ 20
≤ 230
≤ 30
≤ 280
≤ 35
≤ 320
≤ 38
≤ 350
Normalized,
Quenched and Tempered
Low Carbon
2317, 2512, 2515, 2517, 3115, 3120, 3215,
3220, 3312, 3316, 3325, 4012, 4023, 4024,
4027, 4028, 4118, 4119, 4125, 4317, 4320,
4419, 4422, 4427, 4608, 4615, 4617, 4620,
4621, 4626, 4718, 4720, 4815, 4817, 4820,
5015, 5115, 5117, 5120, 6115, 6118, 6120,
6125, 8115, 8615, 8617, 8620, 8622, 8625,
8627, 8720, 8822, 9310, 9315, 9317
Normalized,
Quenched and Tempered
COLOR RING
Brinell Recommended Alternate(s)
Hot rolled, Annealed,
Cold drawn
Normalized,
Quenched and Tempered
Boron Treated
Steels
Hardness
HRC
Alloy Steels
Medium Carbon
Ferritic
1330, 1335, 1340, 1345, 3140, 3145, 3150,
3230, 3240, 3335, 3340, 3435, 3450, 4032,
4037, 4063, 4130, 4135, 4137, 4140, 4142,
4145, 4147, 4150, 4161, 4337, 4340, 4640,
5045, 5046, 5060, 5130, 5132, 5135, 5140,
5145, 5157, 5150, 5155, 5160, 6130, 6135,
6140, 6145, 6150, 7140, 6145, 6150, 7140,
8630, 8632, 8635, 8637, 8640, 8642, 8645,
8650, 8650, 8660, 8735, 8740, 8742, 9250,
9254, 9255, 9260, 9262, 9840, 9850, 2340
Normalized,
Quenched and Tempered
405, 409, 429, 430, 434, 436, 442, 446
Annealed
Austenitic
201, 202, 301, 302B, 304, 304L, 305, 308, 309,
309S, 310, 310S, 314, 316, 316L, 317, 321,
330, 347, 348, 384, 385, Nitronic 32, Nitronic
33, Nitronic 40, Nitronic 50, Nitronic 60
Stainless Steels,
Wrought
Annealed
Martensitic
1403, 410, 414, 420, 422, 431, 440A, 440B,
440C, 501, 502, Greek Ascoloy
Quenched and Tempered
Continues on next page
16
General
Purpose
Alloyed & Unalloyed
Steels
Stainless
Steels
High Tensile,
Tool Steels
Cast Iron
Aluminum
and Alloys
Titanium
or Nickel
Stainless Steels,
Wrought
15-5PH, 16-6PH, 17-4PH, 17-7PH, 1714CuMo, AF-71, AFC-77,
AM-363, AM363, AM350,
AM355, Custom450, Custom 455, HNM,
PH13-8 Mo, PH14-8 Mo,
PH15-7Mo, Stainless W
HRC
COLOR RING
Brinell Recommended Alternate(s)
-
≤ 200
≤ 25
≤ 250
≤ 33
≤ 300
≤ 38
≤ 350
Annealed
Tap Compass
Precipitation
Hardening
Hardness
Condition
Material
Hardened
430F, 430F Se
Free Machining
Stainless Steels
203 Ez, 303, 303 Se, 303 Ma,
303 Pb, 303 PlusX
Annealed
-
Cold drawn
≤ 28
≤ 270
Annealed
-
≤ 180
Annealed, Cold drawn
≤ 23
≤ 240
Quenched and Tempered
≤ 35
≤ 320
≤ 25
≤ 250
-
≤ 220
≤ 29
≤ 270
-
≤ 200
≤ 25
≤ 250
≤ 38
≤ 350
-
≤ 200
≤ 25
≤ 250
-
≤ 220
-
≤ 150
-
≤ 200
≤ 25
≤ 250
≤ 180
Medium Carbon
416, 416 Se, 416 PlusX, 420F, 420F Se,
440F, 440F Se
M1, M2, M6, M10, T1, T2, T6
High Speed Steels
M3-1, M3-2, M4, M7, M30, M33, M34, M36,
M41,
M42, M43, M44, M46, M47, T4, T5, T8, T15
Annealed
H10, H11, H12, H13, H14, H19
Hot Works
Quenched and Tempered
H21, H22, H23, H24, H25, H26, H41, H42, H43
Tool Steels
A7, D2, D3, D4, D5, D7
Cold Works
A2, A3, A4, A5, A6, A8, A9, A10, O1, O2, O6, O7
Stock Resisting
S1, S2, S4, S5, S6, S7
Mold
P2, P3, P4, P5, P6, P20, P21
Special Purpose
Annealed
F1, F2, L2, L3, L6
Continues on next page
General
Purpose
Alloyed & Unalloyed
Steels
Stainless
Steels
High Tensile,
Tool Steels
Cast Iron
Aluminum
and Alloys
Titanium
or Nickel
17
Condition
Material
Tap Compass
Water Hardening
Nitriding
Tool Steels
COLOR RING
Brinell Recommended Alternate(s)
Annealed
≤ 25
≤ 250
Normalized,
Quenched and Tempered
≤ 30
≤ 280
As cast, Annealed
-
≤ 180
As cast
≤ 25
≤ 250
As cast,
Quenched and Tempered
≤ 35
≤ 320
Annealed
-
≤ 190
-
≤ 220
≤ 25
≤ 250
W1, W2, W5
Nitralloy 125, Nitralloy 135, Nitralloy 135Mod,
Nitralloy 225, Nitralloy 230, Nitralloy EZ,
Nitralloy N, Nitrex 1
ASTM
SAE
A159 G1800,
A48 class 20
J431 G1800
A159 G2500,
A48 class 25
J431 G2500
A159 G3000,
A48 class 30, 25, 40
J431 G3000
A159 G3500,
A48 class 45
Gray
Cast Iron
Hardness
HRC
A159 G4000,
A48 class 50
J431 G3500
J431 G4000
A48 class 45
A48 class 55
A48 class 60
UNS
ASTM
SAE
F32800
A536
60-40-18
J434
D4018
F33100
A536
65-45-12
J434
D4512
F33800
A536
80-55-06
J434
D5506
Ferritic
Ductile
Cast Iron
High Alloy
Cast Iron
High Alloy
Ductile
Cast Iron
18
General
Purpose
Ferritic / Pearlitic
DIN
As cast
GGG50,
GGG60
Pearlitic / Martensitic
F34800
A536
100-70-03
J434
D7003
GGG70
Normalized and Tempered
≤ 33
≤ 300
Martensitic
F36200
A536
120-90-02
J434
DQ&T
GGG80
Quenched and Tempered
≤ 36
≤ 330
-
≤ 220
-
≤ 215
≤ 25
≤ 250
-
≤ 200
≤ 28
≤ 270
Austenitic
Austenitic
Alloyed & Unalloyed
Steels
UNS
SAE
F41000, F41001,
F41006
A436 Type 1, A436 Type
1b, A436 Type 5
F41002, F41004,
F41007
A436 Type 2, A436
Type 3, A436 Type 6
F41003, F41005
A436 Type 2b, A436
Type 4
UNS
SAE
F43000, F43002,
F43004, F43006,
F43007, F43010
A439 D2, A439 D2C,
A439 D3A, A439 D5, A439
D5B, A571 D2M
F43001, F43003,
F43005
A439 D2B, A439 D3,
A439 D4
Stainless
Steels
High Tensile,
Tool Steels
As cast
Annealed
Cast Iron
Aluminum
and Alloys
Titanium
or Nickel
UNS
Pearlitic
F22830, F23130,
F23530, F20001,
F20002
-
≤ 160
-
≤ 200
≤ 23
≤ 240
≤ 26
≤ 255
≤ 27
≤ 260
≤ 30
≤ 280
≤ 35
≤ 320
Cold drawn
-
30 to 80
500 kg
Solution treated and Aged
-
75 to 150
500 kg
As cast
-
40 to 100
500 kg
Solution treated and Aged
-
70 to 125
500 kg
As cast
-
40 to 100
500 kg
Solution treated and Aged
-
70 to 125
500 kg
As cast
-
40 to 100
500 kg
Solution treated and Aged
-
70 to 125
500 kg
As cast
-
40 to 100
500 kg
Solution treated and Aged
-
70 to 125
500 kg
99.5
-
≤ 170
99.2, 99.0, Ti-0.2Pd
-
≤ 200
99.0, 98.0, Ti-02Pd
≤ 29
≤ 275
≤ 37
≤ 340
Ti-6AI-4V, Ti-6AI-4V ELI
≤ 38
≤ 350
Ti-5AI-2Sn-2Zr-4Mo-4Cr (Ti-17), Ti-6AI-6V-2Sn,
Ti-7AI-4Mo, Ti-8AI-1Mo-1V
≤ 40
≤ 370
Ti-1AI-8V-5Fe
≤ 41
≤ 380
Malleable
Cast Iron
Al Alloys,
Wrought
Low
Silicon
≤ 7%
7-10%
Silicon
Aluminum
Die
Casting
7-14%
Silicon
F20003, F2410,
F20004, F25530
A140, 201.0, 208.0, 213.0, 222.0, 224.0, 242.0, 295.0,
B295.0, 308.0, 319.0, 328.0, A332.0, F332.0, 333.0, 354.0,
355.0, C355.0, 356.0, A356.0, 357.0, 359.0, B443.0, 514.0,
A514.0, 520.0, 535.0, 705.0, 707.0, A712.0, D712.0, 713.0,
771.0, 8500, A850.0, B850.0
Alloyed & Unalloyed
Steels
Malleablized and Heat Treated
383.0, A384.0, 413.0, A413.0
390.0, 392.0
Ti-8Mn, Ti2AI-11Sn-5Zr-1Mo, Ti-5AI-2, 5Sn ELI,
Ti-5AI-6Sn-2Zr-1Mo, Ti-6AI-2Cb-1Ta-0.8Mo, Ti-6A1-2Sn-4Zr-2Mo,
Ti-6AI-2Sn-4Zr-2Mo-.25Si, Ti-6AI-2Sn-4Zr-6Mo
Alpha and Alpha-Beta
Alloys
Malleablized
360.0, A360.0, 380.0, A380.0, C443.0, 518.0
Commercially Pure
General
Purpose
A602 G M5503, J158 G M5503,
A220 G 60004,
A602 G M7002, J158 G M7002,
A220 G 70003, A220 G 80002,
A602 G M8501, J158 G M8501,
A220 G 90001
EC 1060, 1100, 1145, 1175, 1235, 2011, 2014, 2017, 2018,
2021, 2024, 2025, 2117, 2218, 2219, 2618, 3003, 3004, 3005,
4032, 5005, 5050, 5052, 5056, 5083, 5086, 5154, 5252, 5254,
5454, 5456, 5457, 5652, 5657, 6053, 6061, 6063, 6066, 6070,
6101, 6151, 6253, 6262, 6463, 6951, 7001, 7004, 7005, 7039,
7049, 7050, 7075, 7079, 7175, 7178
≤ 14%
Silicon
Titanium Alloys,
Wrought
A602 G M3210, J158 G
M3210, A47 G 32510,
A47 G 3201
A220 G 40010, J125
pearlitic malleable,
A220 G 45006, A220 G 45008,
A220 G 50005, A602 G M4504,
J158 G M4504, A602 G M5003,
J158 G M5003
COLOR RING
Brinell Recommended Alternate(s)
Tap Compass
F20000
Al Alloys,
Wrought
HRC
ASTM / SAE
Ferritic
Martensitic
Hardness
Condition
Material
Stainless
Steels
High Tensile,
Tool Steels
Annealed
Cast Iron
Aluminum
and Alloys
Titanium
or Nickel
19
Condition
Tap Compass
Material
Alpha and Alpha-Beta
Alloys
Titanium Alloys,
Wrought
Ti-6AI-4V, Ti-6AI-4V ELI, Ti-6AI-2Sn-4Zr-2Mo,
Ti-6AI-2Sn-4Zr-2Mo-.2Si, Ti-6AI-2Sn-4Zr-6Mo
Ti-1AI-8V-5Fe, Ti-3AI-2.5V,
Ti-5AI-2Sn-2Zr-4Mo-4Cr (Ti-17), Ti-6AI-6V-2Sn,
Ti-7AI-4Mo
Ti-3AI-8V-6Cr-4Mo-4Zr, Ti-8Mo-8V-2Fe-3AI,
Ti-11.5Mo-6Zr-4.5Sn, Ti-10-2Fe-3AI,
Ti-13V-11Cr-3AI
Beta Alloys
99.0, Ti-0.2Pd, ASMT B367
Grades C-3, C-4, C-8A, C-8B
Titanium Alloys,
Cast
Chromium-Nickel
Nickel Alloys,
Cast
20
General
Purpose
≤ 380
≤ 46
≤ 440
Annealed or Solution treated
≤ 38
≤ 350
Solutions treated and Aged
≤ 46
≤ 440
-
≤ 200
<25
≤ 250
<35
≤ 320
< 38
≤ 350
Solutions treated and Aged
As Cast,
As Cast and Annealed
Alpha and Alpha-Beta
Alloys
Ti-5AI-2Sn, Ti-6AI-4V, Ti-6AI-2Sn-4Zr-2Mo,
Ti-8AI-1Mo-1V, ASMT B367
Grades C-5, C-6
Alpha and Alpha-Beta
Alloys
A560 ² 40 ² 375
Grade 50Cr-50Ni, 60Cr-40Ni
As Cast
≤ 41
≤ 375
Nickel 200, Nickel 201, Nickel 205,
Nickel 211, Nickel 220, Nickel 230
Anneald, Cold drawn
-
≤ 170
MONEL Alloy 400, MONEL Alloy 401,
MONEL Alloy 404, MONEL Alloy R405; A2996 Grades
CZ-100, M-35; A494 Grades CZ-100, M-35
Anneald, Cold drawn, As Cast
≤ 25
≤ 250
Solution treated
≤ 35
≤ 320
Aged
≤ 39
≤ 360
Cast Iron
Aluminum
and Alloys
Wrought and Cast
Incoloy Alloys, Inconel Alloys, Hastelloy Alloys,
Rene, DURANICKEL Alloy 301, MONEL Alloy 502,
MONEL Alloy K500, NI-SPAN-C Alloy 902,
PERMANICKEL Alloy 300
Alloyed & Unalloyed
Steels
Stainless
Steels
High Tensile,
Tool Steels
COLOR RING
Brinell Recommended Alternate(s)
≤ 41
99.0, Ti-0.2Pd, ASMT B367
Grades C-1, C-2, C-7A, C-7B
Commercially
Pure
Hardness
HRC
Titanium
or Nickel
Material Hardness & Tensile Strength Cross-Reference Chart*
Brinell
Vickers
76
80.7
85.5
90.2
95
98.8
105
109
114
119
124
128
133
138
143
147
152
156
162
166
171
176
181
185
190
195
199
204
209
214
219
223
228
233
238
242
247
252
257
261
266
271
276
280
285
295
304
314
323
333
342
352
361
371
380
390
399
409
418
428
437
447
456
463
475
485
494
504
513
80
85
90
95
100
105
110
115
120
125
130
135
140
145
150
155
160
165
170
175
180
185
190
195
200
205
210
215
220
225
230
235
240
245
250
255
260
265
270
275
280
285
290
295
300
310
320
330
340
350
360
370
380
390
400
410
420
430
440
450
460
470
480
490
500
510
520
530
540
Rockwell
HRB
HRC
PSI
41.0
48.0
52.0
58.2
62.3
66.7
71.2
75.0
78.7
81.7
85.0
87.1
89.5
91.6
92.6
93.5
94.0
95.0
96.0
96.7
98.1
99.5
101
102
104
105
20.3
21.3
22.2
23.1
24.0
24.8
25.6
26.4
27.1
27.8
28.5
29.2
29.8
31.0
32.2
33.3
34.4
35.5
36.6
37.7
38.8
39.8
40.8
41.8
42.7
43.6
44.5
45.3
46.1
46.9
47.7
48.4
49.1
49.8
50.5
51.1
51.7
57,000
59,000
61,000
63,000
66,000
68,000
70,000
72,000
73,000
74,000
79,000
81,000
83,000
86,000
88,000
90,000
91,000
92,000
95,000
98,000
102,000
105,000
107,000
109,000
111,000
113,000
116,000
118,000
122,000
124,000
126,000
129,000
131,000
134,000
138,000
139,000
142,000
146,000
150,000
154,000
159,000
164,000
169,000
176,000
181,000
185,000
191,000
198,000
202,000
205,000
208,000
212,000
219,000
225,000
232,000
235,000
238,000
245,000
250,000
254,000
259,000
TENSILE
STRENGTH
HARDNESS
Brinell
Vickers
523
532
542
551
561
570
580
589
599
608
618
550
560
570
580
590
600
610
620
630
640
650
660
670
680
690
700
720
740
760
780
800
820
840
860
880
900
920
940
Rockwell
HRB
HRC
52.3
53.0
53.6
54.1
54.7
55.2
55.7
56.3
56.8
57.3
57.8
58.3
58.8
59.2
59.7
60.1
61.0
61.8
62.5
63.3
64.0
64.7
65.3
65.9
66.4
67.0
67.5
68.0
PSI
Tap Compass
TENSILE
STRENGTH
HARDNESS
264,000
269,000
274,000
279,000
284,000
287,000
292,000
294,000
304,000
310,000
315,000
326,000
* Figures listed are approximate. Actual comversoins may vary by material amd alloy content.
PSI (pound / in2) = N/mm2 x 145.0377
N/mm2 = pound / in2 ÷ 145.0377
21
22
General
Purpose
Alloyed & Unalloyed
Steels
Stainless
Steels
High Tensile,
Tool Steels
Cast Iron
Aluminum
and Alloys
Titanium
or Nickel
Cut Taps
General
Purpose
Alloyed & Unalloyed
Steels
Stainless
Steels
High Tensile,
Tool Steels
Cast Iron
Aluminum
and Alloys
Titanium
or Nickel
23
YELLOW RING
CUT TAPS
sæ4HROUGHæHOLE
æææ5.#
æææ5.&
æææ-ETRICæ
æææ-ETRICæFINE
0AGEæ
0AGEæ
0AGEæ
0AGEæ
sæ"LINDæHOLE
æææ5.#
æææ5.&
æææ-ETRICæ
æææ-ETRICæFINE
0AGEæ
0AGEæ
0AGEæ
0AGEæ
Note: Items marked as International Stock may become stocked
in USA if sufficient volume is recognized.
Recommended Tapping Speeds
Material Hardness
SFM
HRC
Brinell
Bright finish
Hard coated
--
< 180
38 - 50
50 - 90
< 20
< 230
20 - 40
35 - 80
General Purpose
ANSI length - ANSI shank
UNC
Series 3901 - Cobalt, UNC, spiral point, bright finish
Series 3961 - Cobalt, UNC, spiral point, MolyGlide® coated
2B
Class of Fit
Cut Taps
Through Hole
0° Helix
Plug Tap
Chamfer Lead
B · 3.5 - 5
No.
Shank dia.
Square Size
Overall
Length
2B
Approx.
Series
Series
Order
Size
Flutes
inch
inch
inch
Limits
3901
3961
No.
4-40
3
0.141
0.110
1.882
H2/H3
5-40
3
0.141
0.110
1.941
H2/H3
6-32
3
0.141
0.110
2.000
H3/H4
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
2.845
DIN 371
DIN 376
Approx.
Series
Series
878
8-32
3
0.168
0.131
2.130
H3/H4
10-24
3
0.194
0.152
2.382
H3/H4
12-24
3
0.220
0.165
2.382
H3/H4
1/4-20
3
0.255
0.191
2.500
H4/H5
5/16-18
3
0.318
0.238
2.720
H4/H5
3/8-16
3
0.381
0.286
2.941
H5/H6
7/16-14
3
0.323
0.242
3.157
H5/H6
1/2-13
3
0.367
0.275
3.381
H5/H6
9/16-12
3
0.429
0.322
3.591
H5/H6
5/8-11
3
0.480
0.360
3.811
H5/H6
3/4-10
4
0.590
0.442
4.252
H5/H6
7/8-9
4
0.697
0.523
4.689
H6/H7
1-8
4
0.800
0.600
5.130
H6/H7
3.175
3.505
4.166
4.826
5.486
6.350
7.938
9.525
11.113
12.700
14.288
15.875
19.050
22.225
25.400
DIN length - DIN shank
Series 873 - Cobalt, UNC, spiral point, bright finish, DIN 371
Series 878 - Cobalt, UNC, spiral point, bright finish, DIN 376
No.
26
Bright
Shank dia.
Square Size
Overall
Length
2B
Size
Flutes
mm
mm
mm
Limits
873
2-56
3
2.800
2.100
45.000
H2/H3
3-48
3
2.800
2.100
50.000
H2/H3
4-40
3
3.500
2.700
56.000
H2/H3
5-40
3
3.500
2.700
56.000
H2/H3
6-32
3
4.000
3.000
56.000
H3/H4
8-32
3
4.500
3.400
63.000
H3/H4
10-24
3
6.000
4.900
70.000
H3/H4
12-24
3
6.000
4.900
80.000
H3/H4
1/4-20
3
7.000
5.500
80.000
H4/H5
5/16-18
3
8.000
6.200
90.000
H4/H5
l
l
l
l
l
l
l
l
l
l
l
3/8-16
3
9.000
7.000
100.000
H5/H6
7/16-14
3
8.000
6.200
100.000
H5/H6
1/2-13
3
9.000
7.000
110.000
H5/H6
9/16-12
3
11.000
9.000
110.000
H5/H6
5/8-11
3
12.000
9.000
110.000
H5/H6
3/4-10
4
14.000
11.000
125.000
H5/H6
7/8-9
4
18.000
14.500
140.000
H6/H7
1-8
4
18.000
14.500
160.000
H6/H7
1 1/4-7
4
22.000
18.000
180.000
H7/H8
1 1/2-6
4
32.000
24.000
200.000
H7/H8
Steam Oxide
TiN
TiCN
MolyGlide®
TiAlN
Order
No.
2.184
2.515
2.845
3.175
3.505
4.166
4.826
5.486
6.350
7.938
9.525
l
l
°
l
°
°
°
l
°
AlCrN
11.113
12.700
14.288
15.875
19.050
22.225
25.400
31.750
38.100
FIREX®
General Purpose
ANSI length - ANSI shank
Series 3902 - Cobalt, UNF, spiral point, bright finish
Series 3962 - Cobalt, UNF, spiral point, MolyGlide® coated
UNF
2B
No.
Shank dia.
Square Size
Overall
Length
Size
Flutes
inch
inch
inch
Limits
3902
3962
No.
4-48
3
0.141
0.110
1.882
H2/H3
3
0.141
0.110
1.941
H2/H3
6-40
3
0.141
0.110
2.000
H2/H3
8-36
3
0.168
0.131
2.130
H2/H3
10-32
3
0.194
0.152
2.382
H3/H4
12-28
3
0.220
0.165
2.382
H3/H4
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
2.845
5-44
Approx.
Series
Series
Order
3
0.255
0.191
2.500
H3/H4
3
0.318
0.238
2.720
H3/H4
3/8-24
3
0.381
0.286
2.941
H3/H4
7/16-20
3
0.323
0.242
3.157
H4/H5
1/2-20
3
0.367
0.275
3.381
H4/H5
9/16-18
3
0.429
0.322
3.591
H4/H5
5/8-18
3
0.480
0.360
3.811
H4/H5
3/4-16
4
0.590
0.442
4.252
H5/H6
7/8-14
4
0.697
0.523
4.689
H6/H7
1-12
4
0.800
0.600
5.130
H6/H7
3.175
3.505
4.166
4.826
Through Hole
5.486
6.350
7.938
Cut Taps
1/4-28
5/16-24
2B
Class of Fit
0° Helix
9.525
11.113
12.700
14.288
Plug Tap
Chamfer Lead
15.875
19.050
22.225
25.400
B · 3.5 - 5
DIN length - DIN shank
Series 908 - Cobalt, UNF, spiral point, bright finish, DIN 374
Size
2B
No.
Shank dia.
Square Size
Overall
Length
Approx.
Series
Order
Flutes
mm
mm
mm
Limits
908
No.
l
°
°
°
l
°
l
l
l
l
l
°
l
°
l
°
°
2.845
4-48
3
2.200
n.a.
56.000
H2/H3
5-44
3
2.500
2.100
56.000
H2/H3
6-40
3
2.500
2.100
56.000
H2/H3
8-36
3
2.800
2.100
63.000
H2/H3
10-32
3
3.500
2.700
70.000
H3/H4
12-28
3
4.000
3.000
80.000
H3/H4
1/4-28
3
4.500
3.400
80.000
H3/H4
5/16-24
3
6.000
4.900
90.000
H3/H4
3/8-24
3
7.000
5.500
90.000
H3/H4
7/16-20
3
8.000
6.200
90.000
H4/H5
1/2-20
3
9.000
7.000
100.000
H4/H5
9/16-18
3
11.000
9.000
100.000
H4/H5
5/8-18
3
12.000
9.000
100.000
H4/H5
3/4-16
4
14.000
11.000
110.000
H5/H6
7/8-14
4
18.000
14.500
125.000
H6/H7
1 1/8-12
4
22.000
18.000
150.000
H6/H7
1 1/4-12
4
22.000
18.000
150.000
H6/H7
● 53!æ3TOCK
DIN 374
❍ )NTERNATIONALæ3TOCKææWKS
3.175
3.505
4.166
4.826
5.486
6.350
7.938
9.525
11.113
12.700
14.288
15.875
19.050
22.225
28.575
31.750
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
27
General Purpose
ANSI length - ANSI shank
METRIC
Series 3900 - Cobalt, Metric, spiral point, bright finish
Series 3960 - Cobalt, Metric, spiral point, MolyGlide® coated
ISO2 (6H)
Class of Fit
Cut Taps
Through Hole
0° Helix
Plug Tap
Chamfer Lead
B · 3.5 - 5
No.
Shank dia.
Square Size
Overall
Length
Size
Flutes
inch
inch
M2 X 0.40
3
0.141
M3 X 0.50
3
0.141
M4 X 0.70
3
M5 X 0.80
Approx.
Series
Series
Order
inch
Limits
3900
3960
No.
0.110
1.752
D2/D3
1.941
D2/D3
0.168
0.131
2.130
D3/D4
3
0.194
0.152
2.382
D3/D4
M6 X 1.00
3
0.255
0.191
2.500
D4/D5
M8 X 1.25
3
0.318
0.238
2.720
D4/D5
M10 X 1.50
3
0.381
0.286
2.941
D4/D5
M12 X 1.75
3
0.367
0.275
3.381
D5/D6
M14 X 2.00
3
0.429
0.322
3.591
D5/D6
M16 X 2.00
3
0.480
0.360
3.811
D6/D7
M18 X 2.50
4
0.542
0.406
4.031
D6/D7
M20 X 2.50
4
0.652
0.489
4.469
D6/D7
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
2.000
0.110
Bright
3.000
4.000
5.000
6.000
8.000
10.000
12.000
14.000
16.000
18.000
20.000
DIN length - DIN shank
Series 803 - Cobalt, Metric, spiral point, bright finish, DIN 371
No.
28
ISO2 (6H)
Shank dia.
Square Size
Overall
Length
ISO2 (6H)
DIN 371
Approx.
Series
Order
Size
Flutes
mm
mm
mm
Limits
803
No.
M1.4 X 0.30
2
2.500
2.100
40.000
D2/D3
M1.6 X 0.35
2
2.500
2.100
40.000
D2/D3
M1.7 X 0.35
2
2.500
2.100
40.000
D2/D3
M1.8 X 0.35
2
2.500
2.100
40.000
D2/D3
M2 X 0.40
3
2.800
2.100
45.000
D2/D3
M2.2 X 0.45
3
2.800
2.100
45.000
D2/D3
M2.3 X 0.40
3
2.800
2.100
45.000
D2/D3
M2.5 X 0.45
3
2.800
2.100
50.000
D2/D3
°
°
l
l
l
°
°
°
°
l
°
°
l
l
l
l
l
1.400
M2.6 X 0.45
3
2.800
2.100
50.000
D2/D3
M3 X 0.50
3
3.500
2.700
56.000
D2/D3
M3.5 X 0.60
3
4.000
3.000
56.000
D3/D4
M4 X 0.70
3
4.500
3.400
63.000
D3/D4
M5 X 0.80
3
6.000
4.900
70.000
D3/D4
M6 X 1.00
3
6.000
4.900
80.000
D4/D5
M7 X 1.00
3
7.000
5.500
80.000
D4/D5
M8 X 1.25
3
8.000
6.200
90.000
D4/D5
M10 X 1.50
3
10.000
8.000
100.000
D4/D5
Steam Oxide
TiN
TiCN
MolyGlide®
TiAlN
AlCrN
1.600
1.700
1.800
2.000
2.200
2.300
2.500
2.600
3.000
3.500
4.000
5.000
6.000
7.000
8.000
10.000
FIREX®
General Purpose
DIN length - DIN shank
Series 815 - Cobalt, Metric, spiral point, bright finish, DIN 376
No.
Shank dia.
Square Size
Overall
Length
ISO2 (6H)
METRIC
DIN 376
Approx.
Series
Order
Size
Flutes
mm
mm
mm
Limits
815
No.
M1.6 x 0.35
2
1.200
n.a.
40.000
D2/D3
M1.8 x 0.35
2
1.200
n.a.
40.000
D2/D3
M2 x 0.40
3
1.400
n.a.
45.000
D2/D3
M2.5 x 0.45
3
1.800
n.a.
50.000
D2/D3
M2.6 x 0.45
3
1.800
n.a.
50.000
D2/D3
M3 x 0.50
3
2.200
n.a.
56.000
D2/D3
°
°
°
l
°
l
l
l
°
°
°
l
l
l
°
°
l
l
l
°
°
°
l
1.600
3
2.500
2.100
56.000
D3/D4
M4 x 0.70
3
2.800
2.100
63.000
D3/D4
M5 x 0.80
3
3.500
2.700
70.000
D3/D4
M6 x 1.00
3
4.500
3.400
80.000
D4/D5
M7 x 1.00
3
5.500
4.300
80.000
D4/D5
M8 x 1.25
3
6.000
4.900
90.000
D4/D5
M10 x 1.50
3
7.000
5.500
100.000
D4/D5
M12 x 1.75
3
9.000
7.000
110.000
D5/D6
M14 x 2.00
3
11.000
9.000
110.000
D5/D6
M16 x 2.00
3
12.000
9.000
110.000
D6/D7
M18 x 2.50
4
14.000
11.000
125.000
D6/D7
M20 x 2.50
4
16.000
12.000
140.000
D6/D7
M22 x 2.50
4
18.000
14.500
140.000
D6/D7
M24 x 3.00
4
18.000
14.500
160.000
D7/D8
M27 x 3.00
4
20.000
16.000
160.000
D7/D8
M30 x 3.50
4
22.000
18.000
180.000
D8/D9
M36 x 4.00
4
28.000
22.000
200.000
D8/D9
● 53!æ3TOCK
❍ )NTERNATIONALæ3TOCKææWKS
1.800
2.000
2.500
2.600
Through Hole
3.000
Cut Taps
M3.5 x 0.60
ISO2 (6H)
Class of Fit
3.500
4.000
0° Helix
5.000
6.000
7.000
8.000
Plug Tap
Chamfer Lead
10.000
12.000
14.000
16.000
18.000
B · 3.5 - 5
20.000
22.000
24.000
27.000
30.000
36.000
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
29
General Purpose
DIN length - DIN shank
METRIC
FINE
Cut Taps
ISO2 (6H)
Class of Fit
Through Hole
0° Helix
Plug Tap
Chamfer Lead
B · 3.5 - 5
30
Bright
Series 827 - Cobalt, Metric Fine, spiral point, bright finish, DIN 374
No.
Shank dia.
Square Size
Overall
Length
ISO2 (6H)
DIN 374
Approx.
Series
Order
Size
Flutes
mm
mm
mm
Limits
827
No.
M3 x 0.35
M3.5 x 0.35
3
3
2.200
2.500
n.a.
2.100
56.000
56.000
D2/D3
D3/D4
M4 x 0.50
3
2.800
2.100
63.000
D3/D4
M5 x 0.50
3
3.500
2.700
70.000
D3/D4
M6 x 0.50
3
4.500
3.400
80.000
D3/D4
M6 x 0.75
3
4.500
3.400
80.000
D3/D4
M7 x 0.75
3
5.500
4.300
80.000
D3/D4
M8 x 0.50
3
6.000
4.900
80.000
D3/D4
M8 x 0.75
3
6.000
4.900
80.000
D3/D4
M8 x 1.00
3
6.000
4.900
90.000
D4/D5
M9 x 1.00
3
7.000
5.500
90.000
D4/D5
M10 x 0.75
3
7.000
5.500
90.000
D4/D5
M10 x 1.00
3
7.000
5.500
90.000
D4/D5
M10 x 1.25
3
7.000
5.500
100.000
D4/D5
M11 x 1.00
3
8.000
6.200
90.000
D4/D5
M12 x 1.00
3
9.000
7.000
100.000
D4/D5
M12 x 1.25
3
9.000
7.000
100.000
D4/D5
M12 x 1.50
3
9.000
7.000
100.000
D5/D6
M14 x 1.00
3
11.000
9.000
100.000
D4/D5
M14 x 1.25
3
11.000
9.000
100.000
D4/D5
M14 x 1.50
3
11.000
9.000
100.000
D4/D5
M15 x 1.00
3
12.000
9.000
100.000
D4/D5
M15 x 1.50
3
12.000
9.000
100.000
D4/D5
M16 x 1.00
3
12.000
9.000
100.000
D4/D5
M16 x 1.50
3
12.000
9.000
100.000
D4/D5
M18 x 1.00
4
14.000
11.000
110.000
D4/D5
M18 x 1.50
4
14.000
11.000
110.000
D4/D5
M18 x 2.00
4
14.000
11.000
125.000
D6/D7
M20 x 1.00
4
16.000
12.000
125.000
D6/D7
M20 x 1.50
4
16.000
12.000
125.000
D6/D7
M20 x 2.00
4
16.000
12.000
140.000
D6/D7
M22 x 1.00
4
18.000
14.500
125.000
D6/D7
M22 x 1.50
4
18.000
14.500
125.000
D6/D7
M22 x 2.00
4
18.000
14.500
140.000
D6/D7
M24 x 1.00
4
18.000
14.500
140.000
D6/D7
M24 x 1.50
4
18.000
14.500
140.000
D6/D7
M24 x 2.00
4
18.000
14.500
140.000
D6/D7
M26 x 1.50
4
18.000
14.500
140.000
D7/D8
M27 x 1.50
4
20.000
16.000
140.000
D7/D8
M27 x 2.00
4
20.000
16.000
140.000
D7/D8
M28 x 1.50
4
20.000
16.000
140.000
D7/D8
M30 x 1.50
4
22.000
18.000
150.000
D7/D8
M30 x 2.00
4
22.000
18.000
150.000
D7/D8
M32 x 1.50
4
22.000
18.000
150.000
D7/D8
M33 x 1.50
4
25.000
20.000
160.000
D7/D8
M35 x 1.50
M36 x 1.50
4
4
28.000
28.000
22.000
22.000
170.000
170.000
D8/D9
D8/D9
l
°
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
°
°
°
°
°
l
l
l
°
°
°
°
°
°
°
°
l
°
°
°
l
°
°
°
°
°
3.002
3.502
Steam Oxide
TiN
TiCN
MolyGlide®
TiAlN
AlCrN
4.003
5.003
6.003
6.004
7.004
8.003
8.004
8.005
9.005
10.004
10.005
10.006
11.005
12.005
12.006
12.007
14.005
14.006
14.007
15.005
15.007
16.005
16.007
18.005
18.007
18.008
20.005
20.007
20.008
22.005
22.007
22.008
24.005
24.007
24.008
26.007
27.007
27.008
28.007
30.007
30.008
32.007
33.007
35.007
36.007
FIREX®
General Purpose
DIN length - DIN shank
Series 830 - Cobalt, Metric Fine, straight flute, bright finish, DIN 374
No.
Shank dia.
Square Size
Overall
Length
ISO2 (6H)
DIN 374
Approx.
Series
Order
Size
Flutes
mm
mm
mm
Limits
830
No.
M3 x 0.35
M3.5 x 0.35
3
3
2.200
2.500
2.100
56.000
56.000
D2/D3
D3/D4
M4 x 0.50
3
2.800
2.100
63.000
D3/D4
M5 x 0.50
3
3.500
2.700
70.000
D3/D4
M6 x 0.50
3
4.500
3.400
80.000
D3/D4
M6 x 0.75
3
4.500
3.400
80.000
D3/D4
M7 x 0.75
3
5.500
4.300
80.000
D3/D4
M8 x 0.50
3
6.000
4.900
80.000
D3/D4
M8 x 0.75
3
6.000
4.900
80.000
D3/D4
M8 x 1.00
3
6.000
4.900
90.000
D4/D5
M9 x 1.00
3
7.000
5.500
90.000
D4/D5
M10 x 0.75
3
7.000
5.500
90.000
D4/D5
M10 x 1.00
3
7.000
5.500
90.000
D4/D5
M10 x 1.25
3
7.000
5.500
100.000
D4/D5
M11 x 1.00
3
8.000
6.200
90.000
D4/D5
M12 x 1.00
3
9.000
7.000
100.000
D4/D5
M12 x 1.25
3
9.000
7.000
100.000
D4/D5
M12 x 1.50
3
9.000
7.000
100.000
D5/D6
M14 x 1.00
3
11.000
9.000
100.000
D4/D5
M14 x 1.25
3
11.000
9.000
100.000
D4/D5
M14 x 1.50
3
11.000
9.000
100.000
D4/D5
M15 x 1.00
3
12.000
9.000
100.000
D4/D5
M16 x 1.00
3
12.000
9.000
100.000
D4/D5
M16 x 1.50
3
12.000
9.000
100.000
D4/D5
M18 x 1.00
4
14.000
11.000
110.000
D4/D5
M18 x 1.50
4
14.000
11.000
110.000
D4/D5
M18 x 2.00
4
14.000
11.000
125.000
D6/D7
M20 x 1.00
4
16.000
12.000
125.000
D6/D7
M20 x 1.50
4
16.000
12.000
125.000
D6/D7
M20 x 2.00
4
16.000
12.000
140.000
D6/D7
M22 x 1.00
4
18.000
14.500
125.000
D6/D7
M22 x 1.50
4
18.000
14.500
125.000
D6/D7
M24 x 1.00
4
18.000
14.500
140.000
D6/D7
M24 x 1.50
4
18.000
14.500
140.000
D6/D7
M24 x 2.00
4
18.000
14.500
140.000
D6/D7
M26 x 1.50
4
18.000
14.500
140.000
D7/D8
M27 x 1.50
4
20.000
16.000
140.000
D7/D8
M27 x 2.00
4
20.000
16.000
140.000
D7/D8
M28 x 1.50
4
20.000
16.000
140.000
D7/D8
M30 x 1.50
4
22.000
18.000
150.000
D7/D8
M30 x 2.00
4
22.000
18.000
150.000
D7/D8
M32 x 1.50
4
22.000
18.000
150.000
D7/D8
M35 x 1.50
6
28.000
22.000
170.000
D8/D9
M36 x 1.50
M38 x 1.50
6
6
28.000
28.000
22.000
22.000
170.000
170.000
D8/D9
D8/D9
°
°
°
°
°
°
°
°
°
°
°
°
°
°
°
°
l
°
°
l
°
°
°
°
°
°
°
°
l
°
°
°
°
°
°
°
°
°
°
°
°
°
°
°
°
3.002
3.502
❍ )NTERNATIONALæ3TOCKææWKS
ISO2 (6H)
Class of Fit
4.003
5.003
6.003
6.004
7.004
8.003
Through or
Blind Hole
Cut Taps
● 53!æ3TOCK
METRIC
FINE
8.004
8.005
0° Helix
9.005
10.004
10.005
10.006
11.005
Chamfer Lead
12.005
12.006
12.007
14.005
C·2-3
14.006
14.007
15.005
16.005
16.007
18.005
18.007
18.008
20.005
20.007
20.008
22.005
22.007
24.005
24.007
24.008
26.007
27.007
27.008
28.007
30.007
30.008
32.007
35.007
36.007
38.007
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
31
General Purpose
ANSI length - ANSI shank
UNC
Series 3904 - Cobalt, UNC, 40° helix, bright finish
Series 3964 - Cobalt, UNC, 40° helix, MolyGlide® coated
2B
Class of Fit
Cut Taps
Blind Hole
40° Helix
Semi-bottoming
Chamfer Lead
C · 2-3
No.
Shank dia.
Square Size
Overall
Length
2B
Approx.
Series
Series
Order
Size
Flutes
inch
inch
inch
Limits
3904
3964
No.
4-40
3
0.141
0.110
1.882
H2/H3
3
0.141
0.110
1.941
H2/H3
6-32
3
0.141
0.110
2.000
H3/H4
8-32
3
0.168
0.131
2.130
H3/H4
10-24
3
0.194
0.152
2.382
H3/H4
12-24
3
0.220
0.165
2.382
H3/H4
1/4-20
3
0.255
0.191
2.500
H4/H5
5/16-18
3
0.318
0.238
2.720
H4/H5
3/8-16
3
0.381
0.286
2.941
H5/H6
7/16-14
3
0.323
0.242
3.157
H5/H6
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
2.845
5-40
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
DIN 371
DIN 376
Approx.
Series
Series
881
1/2-13
3
0.367
0.275
3.381
H5/H6
9/16-12
3
0.429
0.322
3.591
H5/H6
5/8-11
3
0.480
0.360
3.811
H5/H6
3/4-10
4
0.590
0.442
4.252
H5/H6
7/8-9
4
0.697
0.523
4.689
H6/H7
1-8
4
0.800
0.600
5.130
H6/H7
3.175
3.505
4.166
4.826
5.486
6.350
7.938
9.525
11.113
12.700
14.288
15.875
19.050
22.225
25.400
DIN length - DIN shank
Series 876 - Cobalt, UNC, 40° helix, bright finish, DIN 371
Series 881 - Cobalt, UNC, 40° helix, bright finish, DIN 376
No.
32
Bright
Shank dia.
Square Size
Overall
Length
2B
Size
Flutes
mm
mm
mm
Limits
876
2-56
3
2.800
2.100
45.000
H2/H3
4-40
3
3.500
2.700
56.000
H2/H3
6-32
3
4.000
3.000
56.000
H3/H4
8-32
3
4.500
3.400
63.000
H3/H4
10-24
3
6.000
4.900
70.000
H3/H4
1/4-20
3
7.000
5.500
80.000
H4/H5
5/16-18
3
8.000
6.200
90.000
H4/H5
3/8-16
3
9.000
7.000
100.000
H5/H6
°
l
l
°
°
°
l
°
7/16-14
3
8.000
6.200
100.000
H5/H6
1/2-13
3
9.000
7.000
110.000
H5/H6
9/16-12
3
11.000
9.000
110.000
H5/H6
5/8-11
3
12.000
9.000
110.000
H5/H6
3/4-10
4
14.000
11.000
125.000
H5/H6
7/8-9
4
18.000
14.500
140.000
H6/H7
1-8
4
18.000
14.500
160.000
H6/H7
Steam Oxide
TiN
TiCN
MolyGlide®
TiAlN
Order
No.
2.184
2.845
3.505
4.166
4.826
6.350
7.938
9.525
°
l
l
°
°
l
°
AlCrN
11.113
12.700
14.288
15.875
19.050
22.225
25.400
FIREX®
General Purpose
ANSI length - ANSI shank
Series 3905 - Cobalt, UNF, 40° helix, bright finish
Series 3965 - Cobalt, UNF, 40° helix, MolyGlide® coated
No.
Shank dia.
Square Size
UNF
2B
Overall
Length
Approx.
Series
Series
Order
Size
Flutes
inch
inch
inch
Limits
3905
3965
No.
4-48
3
0.141
0.110
1.882
H2/H3
5-44
3
0.141
0.110
1.941
H2/H3
6-40
3
0.141
0.110
2.000
H2/H3
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
2.845
8-36
3
0.168
0.131
2.130
H2/H3
10-32
3
0.194
0.152
2.382
H3/H4
3
0.220
0.165
2.382
H3/H4
3
0.255
0.191
2.500
H3/H4
5/16-24
3
0.318
0.238
2.720
H3/H4
3/8-24
3
0.381
0.286
2.941
H3/H4
7/16-20
3
0.323
0.242
3.157
H4/H5
1/2-20
3
0.367
0.275
3.381
H4/H5
9/16-18
3
0.429
0.322
3.591
H4/H5
5/8-18
3
0.480
0.360
3.811
H4/H5
3/4-16
4
0.590
0.442
4.252
H5/H6
7/8-14
4
0.697
0.523
4.689
H6/H7
1-12
4
0.800
0.600
5.130
H6/H7
3.175
3.505
4.166
Blind Hole
4.826
5.486
6.350
Cut Taps
12-28
1/4-28
2B
Class of Fit
40° Helix
7.938
9.525
11.113
12.700
Semi-bottoming
Chamfer Lead
14.288
15.875
19.050
22.225
25.400
C · 2-3
DIN length - DIN shank
Series 911 - Cobalt, UNF, 40° helix, bright finish, DIN 374
No.
Shank dia.
Square Size
Overall
Length
2B
DIN 374
Approx.
Series
Order
Size
Flutes
mm
mm
mm
Limits
911
No.
3-56
3
1.800
na
50.000
H2/H3
2.515
4-48
3
2.200
na
56.000
H2/H3
5-44
3
2.500
2.100
56.000
H2/H3
6-40
3
2.500
2.100
56.000
H2/H3
°
°
°
°
l
l
°
°
l
°
°
l
°
l
°
8-36
3
2.800
2.100
63.000
H2/H3
10-32
3
3.500
2.700
70.000
H3/H4
1/4-28
3
4.500
3.400
80.000
H3/H4
5/16-24
3
6.000
4.900
90.000
H3/H4
3/8-24
3
7.000
5.500
90.000
H3/H4
7/16-20
3
8.000
6.200
90.000
H4/H5
1/2-20
3
9.000
7.000
100.000
H4/H5
9/16-18
3
11.000
9.000
100.000
H4/H5
5/8-18
3
12.000
9.000
100.000
H4/H5
3/4-16
4
14.000
11.000
110.000
H5/H6
7/8-14
4
18.000
14.500
125.000
H6/H7
● 53!æ3TOCK
❍ )NTERNATIONALæ3TOCKææWKS
2.845
3.175
3.505
4.166
4.826
6.350
7.938
9.525
11.113
12.700
14.288
15.875
19.050
22.225
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
33
General Purpose
ANSI length - ANSI shank
METRIC
Series 3903 - Cobalt, Metric, 40° helix, bright finish
Series 3963 - Cobalt, Metric, 40° helix, MolyGlide® coated
ISO2 (6H)
Class of Fit
Cut Taps
Blind Hole
40° Helix
Semi-bottoming
Chamfer Lead
No.
Shank dia.
Square Size
Overall
Length
Size
Flutes
inch
inch
M2 X 0.40
3
0.141
M3 X 0.50
3
0.141
M4 X 0.70
3
M5 X 0.80
ISO2 (6H)
Approx.
Series
Series
Order
inch
Limits
3903
3963
No.
0.110
1.752
D2/D3
1.941
D2/D3
0.168
0.131
2.130
D3/D4
3
0.194
0.152
2.382
D3/D4
M6 X 1.00
3
0.255
0.191
2.500
D4/D5
M8 X 1.25
3
0.318
0.238
2.720
D4/D5
M10 X 1.50
3
0.381
0.286
2.941
D4/D5
M12 X 1.75
3
0.367
0.275
3.381
D5/D6
M14 X 2.00
3
0.429
0.322
3.591
D5/D6
M16 X 2.00
3
0.480
0.360
3.811
D6/D7
M18 X 2.50
4
0.542
0.406
4.031
D6/D7
M20 X 2.50
4
0.652
0.489
4.469
D6/D7
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
2.000
0.110
DIN 376
DIN 371
Approx.
Series
Series
822
810
No.
l
l
°
°
°
°
°
l
l
°
l
l
2.000
3.000
4.000
5.000
6.000
8.000
10.000
12.000
14.000
16.000
18.000
20.000
DIN length - DIN shank
Series 822 - Cobalt, Metric, 40° helix, bright finish, DIN 376
Series 810 - Cobalt, Metric, 40° helix, bright finish, DIN 371
C · 2-3
No.
34
Bright
Shank dia.
Square Size
Overall
Length
ISO2 (6H)
Size
Flutes
mm
mm
mm
Limits
M2 x 0.40
3
2.800
2.100
45.000
D2/D3
M2.2 x 0.45
3
2.800
2.100
45.000
D2/D3
M2.3 x 0.40
3
2.800
2.100
45.000
D2/D3
M2.5 x 0.45
3
2.800
2.100
50.000
D2/D3
M2.6 x 0.45
3
2.800
2.100
50.000
D2/D3
M3 x 0.50
3
3.500
2.700
56.000
D2/D3
M3.5 x 0.60
3
4.000
3.000
56.000
D3/D4
M4 x 0.70
3
4.500
3.400
63.000
D3/D4
M5 x 0.80
3
6.000
4.900
70.000
D3/D4
M6 x 1.00
3
6.000
4.900
80.000
D4/D5
M8 x 1.25
3
8.000
6.200
90.000
D4/D5
M10 x 1.50
3
10.000
8.000
100.000
D4/D5
M3 x 0.50
3
2.200
n.a.
56.000
D2/D3
M3.5 x 0.60
3
2.500
2.100
56.000
D3/D4
M4 x 0.70
3
2.800
2.100
63.000
D3/D4
M5 x 0.80
3
3.500
2.700
70.000
D3/D4
M6 x 1.00
3
4.500
3.400
80.000
D4/D5
M7 x 1.00
3
5.500
4.300
80.000
D4/D5
M8 x 1.25
3
6.000
4.900
90.000
D4/D5
M10 x 1.50
3
7.000
5.500
100.000
D4/D5
M12 x 1.75
3
9.000
7.000
110.000
D5/D6
M14 x 2.00
3
11.000
9.000
110.000
D5/D6
M16 x 2.00
3
12.000
9.000
110.000
D6/D7
M18 x 2.50
4
14.000
11.000
125.000
D6/D7
Steam Oxide
TiN
TiCN
MolyGlide®
TiAlN
°
°
l
°
°
l
l
l
°
°
°
°
Order
2.200
2.300
2.500
2.600
3.000
3.500
4.000
5.000
6.000
8.000
10.000
3.000
3.500
4.000
5.000
6.000
7.000
8.000
10.000
12.000
14.000
16.000
18.000
AlCrN
FIREX®
General Purpose
DIN length - DIN shank (cont’d)
Series 822 - Cobalt, Metric, 40° helix, bright finish, DIN 376
Series 810 - Cobalt, Metric, 40° helix, bright finish, DIN 371
Size
No.
Shank dia.
Square Size
Overall
Length
Flutes
mm
mm
mm
DIN 376
DIN 371
Approx.
Series
Series
Order
Limits
822
810
No.
°
l
°
°
°
ISO2 (6H)
M20 x 2.50
4
16.000
12.000
140.000
D6/D7
M22 x 2.50
4
18.000
14.500
140.000
D6/D7
M24 x 3.00
4
18.000
14.500
160.000
D7/D8
M27 x 3.00
4
20.000
16.000
160.000
D7/D8
M30 x 3.50
4
22.000
18.000
180.000
D8/D9
20.000
22.000
ISO2 (6H)
Class of Fit
24.000
27.000
30.000
Cut Taps
Blind Hole
DIN length - DIN shank
Series 834 - Cobalt, Metric Fine, 40° helix, bright finish, DIN 374
Series 833 - Cobalt, Metric Fine, 15° helix, bright finish, DIN 374
DIN 374
Approx.
Series
Series
Order
833
No.
Shank dia.
Square Size
Overall
Length
Size
Flutes
mm
mm
mm
Limits
834
M3 x 0.35
3
2.200
n.a.
56.000
D2/D3
°
°
°
°
°
°
°
°
°
°
l
l
°
°
l
l
°
l
l
°
M3.5 x 0.35
3
2.500
2.100
56.000
D3/D4
M4 x 0.50
3
2.800
2.100
63.000
D3/D4
M5 x 0.50
3
3.500
2.700
70.000
D3/D4
M6 x 0.50
3
4.500
3.400
80.000
D3/D4
M6 x 0.75
3
4.500
3.400
80.000
D3/D4
M8 x 0.75
3
6.000
4.900
80.000
D3/D4
M8 x 1.00
3
6.000
4.900
90.000
D4/D5
M10 x 1.00
3
7.000
5.500
90.000
D4/D5
M10 x 1.25
3
7.000
5.500
100.000
D4/D5
M12 x 1.00
3
9.000
7.000
100.000
D4/D5
M12 x 1.25
3
9.000
7.000
100.000
D4/D5
M12 x 1.50
3
9.000
7.000
100.000
D5/D6
M14 x 1.00
3
11.000
9.000
100.000
D4/D5
M14 x 1.25
3
11.000
9.000
100.000
D4/D5
M14 x 1.50
3
11.000
9.000
100.000
D4/D5
M16 x 1.00
3
12.000
9.000
100.000
D4/D5
M16 x 1.50
3
12.000
9.000
100.000
D4/D5
M18 x 1.00
4
14.000
11.000
110.000
D4/D5
M18 x 1.50
4
14.000
11.000
110.000
D4/D5
M20 x 1.00
4
16.000
12.000
125.000
D6/D7
M20 x 1.50
4
16.000
12.000
125.000
D6/D7
M22 x 1.50
4
18.000
14.500
125.000
D6/D7
M24 x 1.50
4
18.000
14.500
140.000
D6/D7
M24 x 2.00
4
18.000
14.500
140.000
D6/D7
M26 x 1.50
4
18.000
14.500
140.000
D7/D8
M27 x 1.50
4
20.000
16.000
140.000
D7/D8
M27 x 2.00
4
20.000
16.000
140.000
D7/D8
M30 x 1.50
4
22.000
18.000
150.000
D7/D8
M30 x 2.00
4
22.000
18.000
150.000
D7/D8
❍ )NTERNATIONALæ3TOCKææWKS
40° Helix
15° Helix
DIN 374
ISO2 (6H)
No.
● 53!æ3TOCK
METRIC /
METRIC
FINE
l
l
l
°
°
°
°
°
°
3.002
3.502
°
°
Semi-bottoming
Chamfer Lead
4.003
5.003
6.003
°
°
°
l
°
°
l
°
l
°
l
°
l
°
°
°
°
°
°
l
°
°
°
°
°
6.004
8.004
C · 2-3
8.005
10.005
10.006
12.005
12.006
12.007
14.005
14.006
14.007
16.005
16.007
18.005
18.007
20.005
20.007
22.007
24.007
24.008
26.007
27.007
27.008
30.007
30.008
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
35
sæ4HROUGHæHOLE
GREEN RING
CUT TAPS
æææ5.#
æææ5.&
æææ-ETRIC
æææ-ETRICæFINE
0AGEæ
0AGEæ
0AGEæ
0AGEæ
sæ"LINDæHOLE
æææ5.#
æææ5.&
æææ-ETRIC
æææ-ETRICæFINE
0AGEæ
0AGEæ
0AGEæ
0AGEæ
sæ/VERSIZED
æææ4HROUGHæHOLE
æææ"LINDæHOLE
æææ
0AGEæ
0AGEæ
sæ34)æ4APS
æææ4HROUGHæHOLE
æææ"LINDæHOLE
æææ
0AGEæ
0AGEæ
Note: Items marked as International Stock may become stocked
in USA if sufficient volume is recognized.
Recommended Tapping Speeds
Material Hardness
SFM
HRC
Brinell
Bright finish
Hard coated
< 25
< 250
35 - 45
50 - 65
< 30
< 280
15 - 30
25 - 55
< 35
< 320
12 - 24
18 - 35
5NIVERSALæ!PPLICATIONSææ!LLOYEDææ5NALLOYEDæ3TEELS
ANSI length - ANSI shank
UNC
Series 3913 - Cobalt, UNC, spiral point, bright finish
Series 3916 - Cobalt, UNC, spiral point, TiN coated
Series 3946 - Cobalt, UNC, spiral point, TiCN coated
2B
Class of Fit
No.
Cut Taps
Through Hole
0° Helix
Plug Tap
Chamfer Lead
B · 3.5 - 5
Shank dia.
Square Size
Overall
Length
2B
Approx.
Series
Series
Series
Order
Size
Flutes
inch
inch
inch
Limits
3913
3916
3946
No.
2-56
3
0.141
0.110
1.751
H2/H3
3-48
3
0.141
0.110
1.811
H2/H3
4-40
3
0.141
0.110
1.882
H2/H3
5-40
3
0.141
0.110
1.941
H2/H3
6-32
3
0.141
0.110
2.000
H3/H4
8-32
3
0.168
0.131
2.130
H3/H4
10-24
3
0.194
0.152
2.382
H3/H4
12-24
3
0.220
0.165
2.382
H3/H4
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
2.184
1/4-20
3
0.255
0.191
2.500
H4/H5
5/16-18
3
0.318
0.238
2.720
H4/H5
3/8-16
3
0.381
0.286
2.941
H5/H6
7/16-14
3
0.323
0.242
3.157
H5/H6
1/2-13
4
0.367
0.275
3.381
H5/H6
5/8-11
4
0.480
0.360
3.811
H5/H6
3/4-10
4
0.590
0.442
4.252
H5/H6
7/8-9
4
0.697
0.523
4.689
H6/H7
1-8
4
0.800
0.600
5.130
H6/H7
1 1/4-7
4
1.021
0.766
5.748
H7/H8
1 1/2-6
6
1.233
0.925
6.378
H7/H8
2.515
2.845
3.175
3.505
4.166
4.826
5.486
6.350
7.938
9.525
11.113
12.700
15.875
19.050
22.225
25.400
31.750
38.100
DIN length - DIN shank
Series 2881 - Cobalt, UNC, spiral point, steam oxide finish, DIN 371
Series 2883 - Cobalt, UNC, spiral point, steam oxide finish, DIN 376
Size
38
Bright
No.
Shank dia.
Square Size
Overall
Length
Flutes
mm
mm
mm
DIN 371
DIN 376
Approx.
Series
Series
Order
Limits
2881
2883
No.
l
°
°
l
l
l
l
l
l
2B
4-40
3
3.500
2.700
56.000
H2/H3
5-40
3
3.500
2.700
56.000
H3/H4
6-32
3
4.000
3.000
56.000
H3/H4
8-32
3
4.500
3.400
63.000
H3/H4
10-24
3
6.000
4.900
70.000
H3/H4
12-24
3
6.000
4.900
80.000
H4/H5
1/4-20
3
7.000
5.500
80.000
H4/H5
5/16-18
3
8.000
6.200
90.000
H5/H6
3/8-16
3
10.000
7.000
100.000
H4/H5
7/16-14
3
8.000
6.200
100.000
H5/H6
1/2-13
3
9.000
7.000
110.000
H5/H6
5/8-11
3
12.000
9.000
110.000
H5/H6
3/4-10
4
14.000
11.000
125.000
H5/H6
7/8-9
4
18.000
14.500
140.000
H6/H7
1-8
4
18.000
14.500
160.000
H6/H7
Steam Oxide
TiN
TiCN
MolyGlide
TiAlN
2.845
3.175
3.505
4.166
4.826
5.486
6.350
7.938
9.525
°
°
°
°
°
l
AlCrN
11.113
12.700
15.875
19.050
22.225
25.400
FIREX®
5NIVERSALæ!PPLICATIONSææ!LLOYEDææ5NALLOYEDæ3TEELS
ANSI length - ANSI shank
Series 3914 - Cobalt, UNF, spiral point, bright finish
Series 3917 - Cobalt, UNF, spiral point, TiN coated
Series 3947 - Cobalt, UNF, spiral point, TiCN coated
Size
UNF
2B
No.
Shank dia.
Square Size
Overall
Length
Approx.
Series
Series
Series
Order
Flutes
inch
inch
inch
Limits
3914
3917
3947
No.
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
2.184
3
0.141
0.110
1.751
H2/H3
3
0.141
0.110
1.811
H2/H3
4-48
3
0.141
0.110
1.882
H2/H3
5-44
3
0.141
0.110
1.941
H2/H3
6-40
3
0.141
0.110
2.000
H2/H3
8-36
3
0.168
0.131
2.130
H2/H3
10-32
3
0.194
0.152
2.382
H3/H4
12-28
3
0.220
0.165
2.382
H3/H4
1/4-28
3
0.255
0.191
2.500
H3/H4
5/16-24
3
0.318
0.238
2.720
H3/H4
3/8-24
3
0.381
0.286
2.941
H3/H4
7/16-20
3
0.323
0.242
3.157
H4/H5
1/2-20
4
0.367
0.275
3.381
H4/H5
5/8-18
4
0.480
0.360
3.811
H4/H5
3/4-16
4
0.590
0.442
4.252
H5/H6
7/8-14
4
0.697
0.523
4.689
H6/H7
1-12
4
0.800
0.600
5.130
H6/H7
1 1/4-12
4
1.021
0.766
5.748
H7/H8
1 1/2-12
6
1.233
0.925
6.378
H7/H8
2.515
2.845
3.175
Through Hole
3.505
4.166
Cut Taps
2-64
3-56
2B
Class of Fit
0° Helix
4.826
5.486
6.350
7.938
9.525
Plug Tap
Chamfer Lead
11.113
12.700
15.875
19.050
B · 3.5 - 5
22.225
25.400
31.750
38.100
NEW!
DIN length - DIN shank
Series 2885 - Cobalt, UNF, spiral point, steam oxide finish, DIN 374
Size
No.
Shank dia.
Square Size
Overall
Length
Flutes
mm
mm
mm
2B
Approx.
Series
Order
Limits
2885
No.
l
l
l
l
l
l
l
°
°
2.845
4-48
3
2.200
n.a.
56.000
H2/H3
6-40
3
2.500
2.100
56.000
H2/H3
10-32
3
3.500
2.700
70.000
H3/H4
12-28
3
4.000
3.000
80.000
H3/H4
1/4-28
3
4.500
3.400
80.000
H3/H4
3/8-24
3
7.000
5.500
90.000
H3/H4
5/8-18
3
12.000
9.000
100.000
H4/H5
7/8-14
4
18.000
14.500
125.000
H6/H7
1-12
4
18.000
14.500
140.000
H6/H7
● 53!æ3TOCK
❍ )NTERNATIONALæ3TOCKææWKS
DIN 374
3.505
4.826
5.486
6.350
9.525
15.875
22.225
25.400
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
39
5NIVERSALæ!PPLICATIONSææ!LLOYEDææ5NALLOYEDæ3TEELS
ANSI length - ANSI shank
METRIC
Series 3912 - Cobalt, Metric, spiral point, bright finish
Series 3915 - Cobalt, Metric, spiral point, TiN coated
Series 3945 - Cobalt, Metric, spiral point, TiCN coated
ISO2 (6H)
Class of Fit
Size
Cut Taps
Through Hole
0° Helix
Plug Tap
Chamfer Lead
No.
Shank dia.
Square Size
Overall
Length
Flutes
inch
inch
inch
ISO2 (6H)
Approx.
Series
Series
Series
Limits
3912
3915
3945
No.
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
2.000
M2 X 0.40
3
0.141
0.110
1.752
D2/D3
M3 X 0.50
3
0.141
0.110
1.941
D2/D3
M4 X 0.70
3
0.168
0.131
2.130
D3/D4
M5 X 0.80
3
0.194
0.152
2.382
D3/D4
M6 X 1.00
3
0.255
0.191
2.500
D4/D5
M8 X 1.25
3
0.318
0.238
2.720
D4/D5
M10 X 1.50
3
0.381
0.286
2.941
D4/D5
M12 X 1.75
4
0.367
0.275
3.381
D5/D6
M14 X 2.00
4
0.429
0.322
3.591
D5/D6
M16 X 2.00
4
0.480
0.360
3.811
D6/D7
M18 X 2.50
4
0.542
0.406
4.031
D6/D7
M20 X 2.50
4
0.652
0.489
4.469
D6/D7
Order
3.000
4.000
5.000
6.000
8.000
10.000
12.000
14.000
16.000
18.000
20.000
B · 3.5 - 5
DIN length - DIN shank
Series 2876 - Cobalt, Metric, spiral point, steam oxide finish, DIN 371
No.
40
Bright
Shank dia.
Square Size
Overall
Length
ISO2 (6H)
DIN 371
Approx.
Series
Order
Size
Flutes
mm
mm
mm
Limits
2876
No.
M3 X 0.50
3
3.500
2.700
56.000
D2/D3
3.000
M4 X 0.70
3
4.500
3.400
63.000
D3/D4
M5 X 0.80
3
6.000
4.900
70.000
D3/D4
M6 X 1.00
3
6.000
4.900
80.000
D4/D5
°
°
°
°
l
l
°
M8 X 1.25
3
8.000
6.200
90.000
D4/D5
M10 X 1.50
3
10.000
8.000
100.000
D4/D5
M12 X 1.75
3
12.000
9.000
110.000
D5/D6
Steam Oxide
TiN
TiCN
MolyGlide
TiAlN
AlCrN
4.000
5.000
6.000
8.000
10.000
12.000
FIREX®
5NIVERSALæ!PPLICATIONSææ!LLOYEDææ5NALLOYEDæ3TEELS
NEW!
ANSI length - ANSI shank
Series 3973 - Cobalt, Metric Fine, spiral point, TiN coated
No.
Shank dia.
Square Size
Overall
Length
Size
Flutes
inch
inch
ISO2 (6H)
Approx.
Series
Order
inch
Limits
3973
No.
l
l
l
l
l
l
l
l
l
l
l
3
0.318
0.238
2.720
D4/D5
3
0.381
0.286
2.941
D4/D5
M10 X 1.25
3
0.381
0.286
2.941
D4/D5
M12 X 1.00
4
0.367
0.275
3.381
D4/D5
M12 X 1.25
4
0.367
0.275
3.381
D4/D5
M12 X 1.50
4
0.367
0.275
3.381
D5/D6
M14 X 1.25
4
0.429
0.322
3.591
D4/D5
M14 X 1.50
4
0.429
0.322
3.591
D4/D5
M16 X 1.50
4
0.480
0.360
3.811
D4/D5
M18 X 1.50
4
0.542
0.406
4.031
D4/D5
M20 X 1.50
4
0.652
0.489
4.469
D6/D7
8.005
ISO2 (6H)
Class of Fit
10.005
10.006
12.005
12.006
12.007
Through Hole
14.006
14.007
16.007
0° Helix
18.007
20.007
Plug Tap
Chamfer Lead
DIN length - DIN shank
Series 2879 - Cobalt, Metric Fine, spiral point, oxide finish, DIN 374
No.
Shank dia.
Square Size
Overall
Length
ISO2 (6H)
B · 3.5 - 5
DIN 374
Approx.
Series
Order
Size
Flutes
mm
mm
mm
Limits
2879
No.
M3 X 0.35
3
2.200
2.200
56.000
D2/D3
M5 X 0.50
3
3.500
2.700
70.000
D3/D4
M6 X 0.75
3
4.500
3.400
80.000
D3/D4
M8 X 0.75
3
6.000
4.900
80.000
D3/D4
M8 X 1.00
3
6.000
4.900
90.000
D4/D5
M10 X 1.00
3
7.000
5.500
90.000
D4/D5
M12 X 1.00
4
9.000
7.000
100.000
D4/D5
M14 X 1.50
4
11.000
9.000
100.000
D4/D5
M16 X 1.50
4
12.000
9.000
100.000
D4/D5
M18 X 1.50
4
14.000
11.000
110.000
D4/D5
M20 X 1.50
4
16.000
12.000
125.000
D6/D7
°
°
°
°
l
°
°
°
°
°
°
3.002
● 53!æ3TOCK
❍ )NTERNATIONALæ3TOCKææWKS
5.003
6.004
8.004
8.005
10.005
12.005
14.007
16.007
18.007
20.007
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
41
Cut Taps
M8 X 1.00
M10 X 1.00
METRIC
FINE
5NIVERSALæ!PPLICATIONSææ!LLOYEDææ5NALLOYEDæ3TEELS
ANSI length - ANSI shank
UNC
2B
Class of Fit
Series 3919 - Cobalt, UNC, 40° helix, bright finish
Series 3922 - Cobalt, UNC, 40° helix, TiN coated
Series 3949 - Cobalt, UNC, 40° helix, TiCN coated
No.
Cut Taps
Blind Hole
40° Helix
Semi-bottoming
Chamfer Lead
C · 2-3
Shank dia.
Square Size
Overall
Length
2B
Approx.
Series
Series
Series
Order
Size
Flutes
inch
inch
inch
Limits
3919
3922
3949
No.
2-56
3
0.141
0.110
1.751
H2/H3
3-48
3
0.141
0.110
1.811
H2/H3
4-40
3
0.141
0.110
1.882
H2/H3
5-40
3
0.141
0.110
1.941
H2/H3
6-32
3
0.141
0.110
2.000
H3/H4
8-32
3
0.168
0.131
2.130
H3/H4
10-24
3
0.194
0.152
2.382
H3/H4
12-24
3
0.220
0.165
2.382
H3/H4
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
2.184
1/4-20
3
0.255
0.191
2.500
H4/H5
5/16-18
3
0.318
0.238
2.720
H4/H5
3/8-16
3
0.381
0.286
2.941
H5/H6
7/16-14
3
0.323
0.242
3.157
H5/H6
1/2-13
3
0.367
0.275
3.381
H5/H6
5/8-11
4
0.480
0.360
3.811
H5/H6
3/4-10
4
0.590
0.442
4.252
H5/H6
7/8-9
4
0.697
0.523
4.689
H6/H7
1-8
4
0.800
0.600
5.130
H6/H7
1 1/4-7
4
1.021
0.766
5.748
H7/H8
1 1/2-6
6
1.233
0.925
6.378
H7/H8
2.515
2.845
3.175
Overall
Length
3.505
4.166
4.826
5.486
6.350
7.938
9.525
11.113
12.700
15.875
19.050
22.225
25.400
31.750
38.100
DIN length - DIN shank
Series 1837 - Cobalt, UNC, 40° helix, TiN coated, DIN 371, C(K) chamfer lead
No.
Shank dia.
Square Size
Overall
Length
2B
DIN 371
Approx.
Series
Order
Size
Flutes
mm
mm
mm
Limits
1837
No.
10-24
3
6.000
4.900
70.000
H3/H4
°
°
°
l
°
4.826
12-24
3
6.000
4.900
80.000
H3/H4
1/4-20
3
7.000
5.500
80.000
H4/H5
5/16-18
3
8.000
6.200
90.000
H4/H5
3/8-16
3
10.000
8.000
100.000
H5/H6
5.486
6.350
7.938
9.525
TECH TIP: C(K) Chamfer Lead
A C/K Chamfer lead is the same length as the C chamfer lead in that it incorporates 2 – 3 threads into
the lead length. As an optional standard this chamfer form is found on semi-bottoming taps with a 40
degree R.H. helix. After complete production of the tap (including hard coating) with the C chamfer
form – there is an additional flute grind through the cutting chamfer at approximately a 20 degree
helix. This chamfer will show its best results when used in moderately tough materials that tend to
produce long chips. The “helix correction” helps to cause an immediate irregular chip flow as the chip
formation is starting. This irregular chip flow helps to break the chip and allow it to flow more freely up
the flute. This geometry is very useful in applications where “birdnesting” is a common problem.
42
Bright
Steam Oxide
TiN
TiCN
MolyGlide
TiAlN
AlCrN
FIREX®
5NIVERSALæ!PPLICATIONSææ!LLOYEDææ5NALLOYEDæ3TEELS
ANSI length - ANSI shank
Series 3920 - Cobalt, UNF, 40° helix, bright finish
Series 3923 - Cobalt, UNF, 40° helix, TiN coated
Series 3950 - Cobalt, UNF, 40° helix, TiCN coated
No.
Shank dia.
UNF
Overall
Length
Square Size
2B
Class of Fit
2B
Approx.
Series
Series
Series
Order
Size
Flutes
inch
inch
inch
Limits
3920
3923
3950
No.
2-64
3
0.141
0.110
1.751
H2/H3
3-56
3
0.141
0.110
1.811
H2/H3
4-48
3
0.141
0.110
1.882
H2/H3
5-44
3
0.141
0.110
1.941
H2/H3
6-40
3
0.141
0.110
2.000
H2/H3
8-36
3
0.168
0.131
2.130
H2/H3
10-32
3
0.194
0.152
2.382
H3/H4
12-28
3
0.220
0.165
2.382
H3/H4
1/4-28
3
0.255
0.191
2.500
H3/H4
5/16-24
3
0.318
0.238
2.720
H3/H4
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
2.184
3
0.381
0.286
2.941
H3/H4
3
0.323
0.242
3.157
H4/H5
1/2-20
3
0.367
0.275
3.381
H4/H5
5/8-18
4
0.480
0.360
3.811
H4/H5
3/4-16
4
0.590
0.442
4.252
H5/H6
7/8-14
4
0.697
0.523
4.689
H6/H7
1-12
4
0.800
0.600
5.130
H6/H7
1 1/4-12
4
1.021
0.766
5.748
H6/H7
1 1/2-12
6
1.233
0.925
6.378
H6/H7
2.845
Blind Hole
3.175
3.505
4.166
Cut Taps
3/8-24
7/16-20
2.515
40° Helix
4.826
5.486
6.350
7.938
Semi-bottoming
Chamfer Lead
9.525
11.113
12.700
15.875
C · 2-3
19.050
22.225
25.400
31.750
38.100
DIN length - DIN shank
Series 1838 - Cobalt, UNF, 40° helix, TiN coated, DIN 374, C(K) chamfer lead
No.
Shank dia.
Square Size
Overall
Length
2B
DIN 374
Approx.
Series
Order
Size
Flutes
mm
mm
mm
Limits
1838
No.
10-32
3
3.500
2.700
70.000
H3/H4
°
°
°
l
l
l
°
l
°
°
4.826
12-28
3
4.000
3.000
80.000
H3/H4
1/4-28
3
4.500
3.400
80.000
H3/H4
5/16-24
3
6.000
4.900
90.000
H3/H4
3/8-24
3
7.000
5.500
90.000
H3/H4
7/16-20
3
8.000
6.200
100.000
H4/H5
1/2-20
3
9.000
7.000
100.000
H4/H5
5/8-18
4
12.000
9.000
100.000
H4/H5
7/8-14
4
18.000
14.500
125.000
H6/H7
1-12
4
18.000
14.500
140.000
H6/H7
● 53!æ3TOCK
❍ )NTERNATIONALæ3TOCKææWKS
5.486
6.350
7.938
9.525
11.113
12.700
15.875
22.225
25.400
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
43
5NIVERSALæ!PPLICATIONSææ!LLOYEDææ5NALLOYEDæ3TEELS
ANSI length - ANSI shank
UNC /
UNF
2B
Class of Fit
Cut Taps
Blind Hole
40° Helix
Full-bottoming
Chamfer Lead
E · 1.5 - 2
NEW!
Series 3977 - Cobalt, UNC, 40° helix, TiN coated, Form E
No.
Shank dia.
Square Size
Size
Flutes
inch
inch
inch
Limits
3977
No.
2-56
3-48
4-40
5-40
6-32
8-32
10-24
12-24
1/4-20
5/16-18
3/8-16
7/16-14
1/2-13
9/16-12
5/8-11
3/4-10
7/8-9
1-8
1 1/4-7
1 1/2-6
3
3
3
3
3
3
3
3
3
3
3
3
3
3
4
4
4
4
4
6
0.141
0.141
0.141
0.141
0.141
0.168
0.194
0.220
0.255
0.318
0.381
0.323
0.367
0.429
0.480
0.590
0.697
0.800
1.021
1.233
0.110
0.110
0.110
0.110
0.110
0.131
0.152
0.165
0.191
0.238
0.286
0.242
0.275
0.322
0.360
0.442
0.523
0.600
0.766
0.925
1.751
1.811
1.882
1.941
2.000
2.130
2.382
2.382
2.500
2.720
2.941
3.157
3.381
3.591
3.811
4.252
4.689
5.130
5.748
6.378
H2/H3
H2/H3
H2/H3
H2/H3
H3/H4
H3/H4
H3/H4
H3/H4
H4/H5
H4/H5
H5/H6
H5/H6
H5/H6
H5/H6
H5/H6
H5/H6
H6/H7
H6/H7
H7/H8
H7/H8
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
2.184
2.515
2.845
3.175
3.505
4.166
4.826
5.486
6.350
7.938
9.525
11.113
12.700
14.288
15.875
19.050
22.225
25.400
31.750
38.100
Approx.
Series
Order
ANSI length - ANSI shank
No.
44
Bright
Shank dia.
Approx.
Series
Order
NEW!
Series 3978 - Cobalt, UNF, 40° helix, TiN coated, Form E
NEW!
ANSI
E
Form ng”
i
o
ott m
“full-b taps
style
2B
Overall
Length
Square Size
2B
Overall
Length
Size
Flutes
inch
inch
inch
Limits
3978
No.
2-64
3-56
4-48
5-44
6-40
8-36
10-32
12-28
1/4-28
5/16-24
3/8-24
7/16-20
1/2-20
9/16-18
5/8-18
3/4-16
7/8-14
1-12
1 1/4-12
1 1/2-12
3
3
3
3
3
3
3
3
3
3
3
3
3
3
4
4
4
4
4
6
0.141
0.141
0.141
0.141
0.141
0.168
0.194
0.220
0.255
0.318
0.381
0.323
0.367
0.429
0.480
0.590
0.697
0.800
1.021
1.233
0.110
0.110
0.110
0.110
0.110
0.131
0.152
0.165
0.191
0.238
0.286
0.242
0.275
0.322
0.360
0.442
0.523
0.600
0.766
0.925
1.751
1.811
1.882
1.941
2.000
2.130
2.382
2.382
2.500
2.720
2.941
3.157
3.381
3.591
3.811
4.252
4.689
5.130
5.748
6.378
H2/H3
H2/H3
H2/H3
H2/H3
H2/H3
H2/H3
H3/H4
H3/H4
H3/H4
H3/H4
H3/H4
H4/H5
H4/H5
H4/H5
H4/H5
H5/H6
H6/H7
H6/H7
H6/H7
H6/H7
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
2.184
2.515
2.845
3.175
3.505
4.166
4.826
5.486
6.350
7.938
9.525
11.113
12.700
14.288
15.875
19.050
22.225
25.400
31.750
38.100
Steam Oxide
TiN
TiCN
MolyGlide
TiAlN
AlCrN
FIREX®
5NIVERSALæ!PPLICATIONSææ!LLOYEDææ5NALLOYEDæ3TEELS
NEW!
ANSI length - ANSI shank
UNC /
UNF
Series 3954 - Cobalt, UNC, 40° helix, TiN coated, axial coolant through
Size
2B
No.
Shank dia.
Square Size
Overall
Length
Flutes
inch
inch
inch
Limits
3954
No.
l
l
l
l
l
l
l
6.350
Approx.
Series
Order
3
0.255
0.191
2.500
H4/H5
3
0.318
0.238
2.720
H4/H5
3/8-16
3
0.381
0.286
2.941
H5/H6
7/16-14
3
0.323
0.242
3.157
H5/H6
1/2-13
3
0.367
0.275
3.381
H5/H6
5/8-11
4
0.480
0.360
3.811
H5/H6
3/4-10
4
0.590
0.442
4.252
H5/H6
7.938
9.525
11.113
12.700
15.875
Blind Hole
Cut Taps
1/4-20
5/16-18
2B
Class of Fit
19.050
40° Helix
Semi-bottoming
Chamfer Lead
NEW!
ANSI length - ANSI shank
Series 3955 - Cobalt, UNF, 40° helix, TiN coated, axial coolant through
No.
Shank dia.
Square Size
Overall
Length
2B
Approx.
Series
Order
Size
Flutes
inch
inch
inch
Limits
3955
No.
1/4-28
3
0.255
0.191
2.500
H3/H4
l
l
l
l
l
l
l
6.350
5/16-24
3
0.318
0.238
2.720
H3/H4
3/8-24
3
0.381
0.286
2.941
H3/H4
7/16-20
3
0.323
0.242
3.157
H4/H5
1/2-20
3
0.367
0.275
3.381
H4/H5
5/8-18
4
0.480
0.360
3.811
H4/H5
3/4-16
4
0.590
0.442
4.252
H5/H6
● 53!æ3TOCK
❍ )NTERNATIONALæ3TOCKææWKS
C · 2-3
7.938
9.525
11.113
12.700
15.875
19.050
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
45
5NIVERSALæ!PPLICATIONSææ!LLOYEDææ5NALLOYEDæ3TEELS
ANSI length - ANSI shank
METRIC
Series 3918 - Cobalt, Metric, 40° helix, bright finish
Series 3921 - Cobalt, Metric, 40° helix, TiN coated
Series 3948 - Cobalt, Metric, 40° helix, TiCN coated
ISO2 (6H)
Class of Fit
Cut Taps
Blind Hole
40° Helix
Semi-bottoming
Chamfer Lead
Shank dia.
Square Size
ISO2 (6H)
Approx.
Series
Series
Series
Order
Size
Flutes
inch
inch
inch
Limits
3918
3921
3948
No.
M2 X 0.40
3
0.141
0.110
1.752
D2/D3
3
0.141
0.110
1.941
D2/D3
M4 X 0.70
3
0.168
0.131
2.130
D3/D4
M5 X 0.80
3
0.194
0.152
2.382
D3/D4
M6 X 1.00
3
0.255
0.191
2.500
D4/D5
M8 X 1.25
3
0.318
0.238
2.720
D4/D5
M10 X 1.50
3
0.381
0.286
2.941
D4/D5
M12 X 1.75
3
0.367
0.275
3.381
D5/D6
M14 X 2.00
3
0.429
0.322
3.591
D5/D6
M16 X 2.00
4
0.480
0.360
3.811
D6/D7
M18 X 2.50
4
0.542
0.406
4.031
D6/D7
M20 X 2.50
4
0.652
0.489
4.469
D6/D7
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
2.000
M3 X 0.50
3.000
4.000
5.000
6.000
8.000
10.000
12.000
14.000
16.000
18.000
20.000
DIN length - DIN shank
C · 2-3
46
No.
Overall
Length
Series 889 - Cobalt, Metric, 40° helix, bright finish, DIN 371
Series 890 - Cobalt, Metric, 40° helix, bright finish, DIN 376
Bright
DIN 371
DIN 376
Approx.
Series
Series
Order
890
No.
ISO2 (6H)
No.
Shank dia.
Square Size
Overall
Length
Size
Flutes
mm
mm
mm
Limits
889
°
l
°
°
°
°
°
°
°
l
l
°
M2 X 0.40
3
2.800
2.100
45.000
D2/D3
M2.2 X 0.45
3
2.800
2.100
45.000
D2/D3
M2.5 X 0.45
3
2.800
2.100
50.000
D2/D3
M2.6 X 0.45
3
2.800
2.100
50.000
D2/D3
M3 X 0.50
3
3.500
2.700
56.000
D2/D3
M3.5 X 0.60
3
4.000
3.000
56.000
D3/D4
M4 X 0.70
3
4.500
3.400
63.000
D3/D4
M4 X 0.70
3
4.500
3.400
63.000
D3/D4
M5 X 0.80
3
6.000
4.900
70.000
D4/D5
M6 X 1.00
3
6.000
4.900
80.000
D4/D5
M8 X 1.25
3
8.000
6.200
90.000
D4/D5
M10 X 1.50
3
10.000
8.000
100.000
D4/D5
M3 X 0.50
3
2.200
n.a.
56.000
D2/D3
M4 X 0.70
3
2.800
2.100
63.000
D3/D4
M5 X 0.80
3
3.500
2.700
70.000
D3/D4
M6 X 1.00
3
4.500
3.400
80.000
D4/D5
M8 X 1.25
3
6.000
4.900
90.000
D4/D5
M10 X 1.50
3
7.000
5.500
100.000
D4/D5
M12 X 1.75
3
9.000
7.000
110.000
D5/D6
M14 X 2.00
3
11.000
9.000
110.000
D5/D6
M16 X 2.00
4
12.000
9.000
110.000
D6/D7
M20 X 2.50
4
16.000
12.000
140.000
D6/D7
M24 X 3.00
4
18.000
14.500
160.000
D7/D8
Steam Oxide
TiN
TiCN
MolyGlide
TiAlN
2.000
2.200
2.500
2.600
3.000
3.500
4.000
4.000
5.000
6.000
8.000
10.000
°
°
°
°
°
l
°
°
l
l
l
AlCrN
3.000
4.000
5.000
6.000
8.000
10.000
12.000
14.000
16.000
20.000
24.000
FIREX®
5NIVERSALæ!PPLICATIONSææ!LLOYEDææ5NALLOYEDæ3TEELS
NEW!
ANSI length - ANSI shank
Series 3974 - Cobalt, Metric Fine, 40° helix, TiN coated
No.
Shank dia.
Square Size
Overall
Length
Size
Flutes
inch
inch
ISO2 (6H)
Approx.
Series
Order
inch
Limits
3974
No.
l
l
l
l
l
l
l
l
l
l
l
3
0.318
0.238
2.720
D4/D5
3
0.381
0.286
2.941
D4/D5
M10 X 1.25
3
0.381
0.286
2.941
D4/D5
M12 X 1.00
3
0.367
0.275
3.381
D4/D5
M12 X 1.25
3
0.367
0.275
3.381
D4/D5
M12 X 1.50
3
0.367
0.275
3.381
D5/D6
M14 X 1.25
3
0.429
0.322
3.591
D4/D5
M14 X 1.50
3
0.429
0.322
3.591
D4/D5
M16 X 1.50
4
0.480
0.360
3.811
D4/D5
M18 X 1.50
4
0.542
0.406
4.031
D4/D5
M20 X 1.50
4
0.652
0.489
4.469
D6/D7
8.005
ISO2 (6H)
Class of Fit
10.005
10.006
12.005
12.006
12.007
Blind Hole
Cut Taps
M8 X 1.00
M10 X 1.00
METRIC
FINE
14.006
14.007
16.007
40° Helix
18.007
20.007
Semi-bottoming
Chamfer Lead
DIN length - DIN shank
C · 2-3
Series 2424 - Cobalt, Metric Fine, 40° helix, bright finish, DIN 374
No.
Shank dia.
Square Size
Overall
Length
ISO2 (6H)
DIN 374
Approx.
Series
Order
Size
Flutes
mm
mm
mm
Limits
2424
No.
M5 X 0.50
3
3.500
2.700
70.000
D3/D4
5.003
M6 X 0.75
3
4.500
3.400
80.000
D3/D4
M8 X 1.00
3
6.000
4.900
90.000
D4/D5
M10 X 1.00
3
7.000
5.500
90.000
D4/D5
M10 X 1.25
3
7.000
5.500
100.000
D4/D5
M12 X 1.00
3
9.000
7.000
100.000
D4/D5
M12 X 1.25
3
9.000
7.000
100.000
D4/D5
M12 X 1.50
3
9.000
7.000
100.000
D5/D6
M14 X 1.00
3
11.000
9.000
100.00
D4/D5
M14 X 1.50
3
11.000
9.000
100.000
D4/D5
M16 X 1.50
4
12.000
9.000
100.000
D4/D5
M18 X 1.50
4
14.000
11.000
110.000
D4/D5
M20 X 1.50
4
16.000
12.000
125.000
D6/D7
M24 X 1.50
4
18.000
14.500
140.000
D6/D7
M24 X 2.00
4
18.000
14.500
140.000
D6/D7
°
°
°
l
°
°
°
°
l
l
l
l
l
°
l
● 53!æ3TOCK
❍ )NTERNATIONALæ3TOCKææWKS
6.004
8.005
10.005
10.006
12.005
12.006
12.007
14.005
14.007
16.007
18.007
20.007
24.007
24.008
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
47
5NIVERSALæ!PPLICATIONSææ!LLOYEDææ5NALLOYEDæ3TEELS
METRIC
Series 3976 - Cobalt, Metric, 40° helix, TiN coated, Form E
6H
Class of Fit
Blind Hole
NEW!
ANSI length - ANSI shank
2B
No.
Shank dia.
Square Size
Overall
Length
Size
Flutes
inch
inch
inch
Limits
3976
No.
M2 X 0.40
3
0.141
0.110
1.752
D2/D3
3
0.141
0.110
1.941
D2/D3
M4 X 0.70
3
0.168
0.131
2.130
D3/D4
M5 X 0.80
3
0.194
0.152
2.382
D3/D4
M6 X 1.00
3
0.255
0.191
2.500
D4/D5
l
l
l
l
l
l
l
l
l
l
l
l
2.000
M3 X 0.50
Approx.
Series
Order
3
0.318
0.238
2.720
D4/D5
3
0.381
0.286
2.941
D4/D5
M12 X 1.75
3
0.367
0.275
3.381
D5/D6
Full-bottoming
M14 X 2.00
3
0.429
0.322
3.591
D5/D6
M16 X 2.00
4
0.480
0.360
3.811
D6/D7
Chamfer Lead
M18 X 2.50
4
0.542
0.406
4.031
D6/D7
M20 X 2.50
4
0.652
0.489
4.469
D6/D7
Cut Taps
M8 X 1.25
M10 X 1.50
40° Helix
3.000
4.000
5.000
6.000
8.000
10.000
12.000
14.000
16.000
18.000
20.000
E · 1.5 - 2
DIN length - DIN shank
Series 2790 - Cobalt, Metric, 40° helix, bright finish, DIN 371, Form E
Series 2791 - Cobalt, Metric, 40° helix, bright finish, DIN 376, Form E
No.
NEW!
ANSI
E
Form ng”
i
o
t
t
o m
“full-b taps
style
48
Bright
Shank dia.
Square Size
Overall
Length
DIN 371
DIN 376
Approx.
Series
Series
2791
2B
Size
Flutes
mm
mm
mm
Limits
2790
M3 X 0.50
3
3.500
2.700
56.000
D2/D3
M4 X 0.70
3
4.500
3.400
63.000
D3/D4
M5 X 0.80
3
6.000
4.900
70.000
D3/D4
M6 X 1.00
3
6.000
4.900
80.000
D4/D5
M8 X 1.25
3
8.000
6.200
90.000
D4/D5
M10 X 1.50
3
10.000
8.000
100.000
D4/D5
l
l
l
l
l
l
M4 X 0.70
3
2.800
2.100
63.000
D3/D4
M5 X 0.80
3
3.500
2.700
70.000
D3/D4
M6 X 1.00
3
4.500
3.400
80.000
D4/D5
M8 X 1.25
3
6.000
4.900
90.000
D4/D5
M10 X 1.50
3
7.000
5.500
100.000
D4/D5
M12 X 1.75
3
9.000
7.000
110.000
D5/D6
M14 X 2.00
3
11.000
9.000
110.000
D5/D6
M16 X 2.00
4
12.000
9.000
110.000
D6/D7
Steam Oxide
TiN
TiCN
MolyGlide
TiAlN
Order
No.
3.000
4.000
5.000
6.000
8.000
10.000
°
°
°
°
°
l
l
°
AlCrN
4.000
5.000
6.000
8.000
10.000
12.000
14.000
16.000
FIREX®
5NIVERSALæ!PPLICATIONSææ!LLOYEDææ5NALLOYEDæ3TEELS
DIN length - DIN shank
METRIC
FINE
Series 2792 - Cobalt, Metric Fine, 40° helix, bright finish, DIN 374, Form E
No.
Shank dia.
Square Size
Overall
Length
2B
DIN 374
Approx.
Series
Order
Size
Flutes
mm
mm
mm
Limits
2792
No.
M8 X 1.00
3
6.000
4.900
90.000
D4/D5
M10 X 1.00
3
7.000
5.500
90.000
D4/D5
M12 X 1.00
3
9.000
7.000
100.000
D4/D5
M12 X 1.25
3
9.000
7.000
100.000
D4/D5
M12 X 1.50
3
9.000
7.000
100.000
D5/D6
M14 X 1.00
3
11.000
9.000
100.000
D4/D5
M14 X 1.25
3
11.000
9.000
100.000
D4/D5
M14 X 1.50
3
11.000
9.000
100.000
D4/D5
°
l
l
°
l
°
°
°
8.005
ISO2 (6H)
Class of Fit
10.005
12.005
12.006
12.007
Cut Taps
Blind Hole
14.005
14.006
14.007
40° Helix
Full-bottoming
Chamfer Lead
E · 1.5 - 2
● 53!æ3TOCK
❍ )NTERNATIONALæ3TOCKææWKS
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
49
5NIVERSALæ!PPLICATIONSææ!LLOYEDææ5NALLOYEDæ3TEELS
UNC
Series 3982 - Cobalt, UNC, spiral point, TiN coated, H7 class of fit
H7 / H11
Tolerance
Cut Taps
Through Hole
0° Helix
Plug Tap
Chamfer Lead
NEW!
ANSI length - ANSI shank
No.
Shank dia.
Square Size
Overall
Length
Actual
H7
Series
Size
Flutes
inch
inch
inch
Limits
3982
No.
6-32
3
0.141
0.110
2.000
H7
l
l
l
l
l
l
l
l
l
l
3.505
8-32
3
0.168
0.131
2.130
H7
10-24
3
0.194
0.152
2.382
H7
12-24
3
0.220
0.165
2.382
H7
1/4-20
3
0.255
0.191
2.500
H7
5/16-18
3
0.318
0.238
2.720
H7
3/8-16
3
0.381
0.286
2.941
H7
7/16-14
3
0.323
0.242
3.157
H7
1/2-13
4
0.367
0.275
3.381
H7
5/8-11
4
0.480
0.360
3.811
H7
4.166
4.826
5.486
6.350
7.938
9.525
11.113
12.700
15.875
NEW!
ANSI length - ANSI shank
B · 3.5 - 5
Order
Series 3986 - Cobalt, UNC, spiral point, TiN coated, H11 class of fit
No.
Shank dia.
Square Size
Overall
Length
Actual
H11
Series
Order
Size
Flutes
inch
inch
inch
Limits
3986
No.
6-32
3
0.141
0.110
2.000
H11
l
l
l
l
l
l
l
l
l
l
3.505
8-32
3
0.168
0.131
2.130
H11
10-24
3
0.194
0.152
2.382
H11
12-24
3
0.220
0.165
2.382
H11
1/4-20
3
0.255
0.191
2.500
H11
5/16-18
3
0.318
0.238
2.720
H11
3/8-16
3
0.381
0.286
2.941
H11
7/16-14
3
0.323
0.242
3.157
H11
1/2-13
4
0.367
0.275
3.381
H11
5/8-11
4
0.480
0.360
3.811
H11
4.166
4.826
5.486
6.350
7.938
9.525
11.113
12.700
15.875
TECH TIP: Oversized taps
Oversized Taps are taps that are typically +0.003”/+0.005” larger than standard pitch diameter. An
H7 thread limit tap is +0.003” oversize from the basic pitch diameter while an H11 thread limit tap
is +0.005” oversize. Typically, oversized taps are used for threading parts that will be subsequently
plated or heat treated after tapping.
50
Bright
Steam Oxide
TiN
TiCN
MolyGlide
TiAlN
AlCrN
FIREX®
5NIVERSALæ!PPLICATIONSææ!LLOYEDææ5NALLOYEDæ3TEELS
NEW!
ANSI length - ANSI shank
UNF
Series 3983 - Cobalt, UNF, spiral point, TiN coated, H7 class of fit
No.
Shank dia.
Square Size
Overall
Length
Actual
H7
Series
Order
Size
Flutes
inch
inch
inch
Limits
3983
No.
6-40
3
0.141
0.110
2.000
H7
l
l
l
l
l
l
l
l
l
l
3.505
8-36
3
0.168
0.131
2.130
H7
10-32
3
0.194
0.152
2.382
H7
12-28
3
0.220
0.165
2.382
H7
1/4-28
3
0.255
0.191
2.500
H7
3
0.318
0.238
2.720
H7
3/8-24
3
0.381
0.286
2.941
H7
7/16-20
3
0.323
0.242
3.157
H7
1/2-20
4
0.367
0.275
3.381
H7
5/8-18
4
0.480
0.360
3.811
H7
4.166
4.826
5.486
Through Hole
6.350
Cut Taps
5/16-24
H7 / H11
Tolerance
7.938
9.525
0° Helix
11.113
12.700
15.875
Plug Tap
Chamfer Lead
NEW!
ANSI length - ANSI shank
Series 3987 - Cobalt, UNF, spiral point, TiN coated, H11 class of fit
No.
Shank dia.
Square Size
B · 3.5 - 5
Overall
Length
Actual
H11
Series
Order
Size
Flutes
inch
inch
inch
Limits
3987
No.
6-40
3
0.141
0.110
2.000
H11
8-36
3
0.168
0.131
2.130
H11
10-32
3
0.194
0.152
2.382
H11
l
l
l
l
l
l
l
l
l
l
3.505
12-28
3
0.220
0.165
2.382
H11
1/4-28
3
0.255
0.191
2.500
H11
5/16-24
3
0.318
0.238
2.720
H11
3/8-24
3
0.381
0.286
2.941
H11
7/16-20
3
0.323
0.242
3.157
H11
1/2-20
4
0.367
0.275
3.381
H11
5/8-18
4
0.480
0.360
3.811
H11
● 53!æ3TOCK
❍ )NTERNATIONALæ3TOCKææWKS
4.166
4.826
5.486
6.350
7.938
9.525
11.113
12.700
15.875
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
51
5NIVERSALæ!PPLICATIONSææ!LLOYEDææ5NALLOYEDæ3TEELS
UNC
Series 3980 - Cobalt, UNC, 40° helix, TiN coated, H7 tolerance
H7 / H11
Tolerance
Cut Taps
Blind Hole
40° Helix
NEW!
ANSI length - ANSI shank
No.
Shank dia.
Square Size
Overall
Length
Actual
H7
Series
Order
Size
Flutes
inch
inch
inch
Limits
3980
No.
6-32
3
0.141
0.110
2.000
H7
3.505
1/4-20
3
0.255
0.191
2.500
H7
5/16-18
3
0.318
0.238
2.720
H7
3/8-16
3
0.381
0.286
2.941
H7
7/16-14
3
0.323
0.242
3.157
H7
1/2-13
3
0.367
0.275
3.381
H7
5/8-11
4
0.480
0.360
3.811
H7
l
l
l
l
l
l
l
l
l
l
Overall
Length
Actual
H11
Series
8-32
3
0.168
0.131
2.130
H7
10-24
3
0.194
0.152
2.382
H7
12-24
3
0.220
0.165
2.382
H7
4.166
4.826
5.486
6.350
7.938
9.525
11.113
12.700
15.875
Chamfer Lead
C · 2-3
NEW!
ANSI length - ANSI shank
Series 3984 - Cobalt, UNC, 40° helix, TiN coated, H11 tolerance
No.
Shank dia.
Square Size
Order
Size
Flutes
inch
inch
inch
Limits
3984
No.
6-32
3
0.141
0.110
2.000
H11
8-32
3
0.168
0.131
2.130
H11
10-24
3
0.194
0.152
2.382
H11
l
l
l
l
l
l
l
l
l
l
3.505
12-24
3
0.220
0.165
2.382
H11
1/4-20
3
0.255
0.191
2.500
H11
5/16-18
3
0.318
0.238
2.720
H11
3/8-16
3
0.381
0.286
2.941
H11
7/16-14
3
0.323
0.242
3.157
H11
1/2-13
3
0.367
0.275
3.381
H11
5/8-11
4
0.480
0.360
3.811
H11
4.166
4.826
5.486
6.350
7.938
9.525
11.113
12.700
15.875
TECH TIP: Oversized taps
Oversized Taps are taps that are typically +0.003”/+0.005” larger than standard pitch diameter. An
H7 thread limit tap is +0.003” oversize from the basic pitch diameter while an H11 thread limit tap
is +0.005” oversize. Typically, oversized taps are used for threading parts that will be subsequently
plated or heat treated after tapping.
52
Bright
Steam Oxide
TiN
TiCN
MolyGlide
TiAlN
AlCrN
FIREX®
5NIVERSALæ!PPLICATIONSææ!LLOYEDææ5NALLOYEDæ3TEELS
NEW!
ANSI length - ANSI shank
UNF
Series 3981 - Cobalt, UNF, 40° helix, TiN coated, H7 tolerance
No.
Shank dia.
Square Size
Overall
Length
Actual
H7
Series
Order
Size
Flutes
inch
inch
inch
Limits
3981
No.
6-40
3
0.141
0.110
2.000
H7
l
l
l
l
l
l
l
l
l
l
3.505
8-36
3
0.168
0.131
2.130
H7
10-32
3
0.194
0.152
2.382
H7
12-28
3
0.220
0.165
2.382
H7
1/4-28
3
0.255
0.191
2.500
H7
3
0.318
0.238
2.720
H7
3/8-24
3
0.381
0.286
2.941
H7
7/16-20
3
0.323
0.242
3.157
H7
1/2-20
3
0.367
0.275
3.381
H7
5/8-18
4
0.480
0.360
3.811
H7
4.166
4.826
5.486
Blind Hole
6.350
7.938
9.525
Cut Taps
5/16-24
H7 / H11
Tolerance
40° Helix
11.113
12.700
15.875
Semi-bottoming
Chamfer Lead
NEW!
ANSI length - ANSI shank
C · 2-3
Series 3985 - Cobalt, UNF, 40° helix, TiN coated, H11 tolerance
No.
Shank dia.
Square Size
Overall
Length
Actual
H11
Series
Order
Size
Flutes
inch
inch
inch
Limits
3985
No.
6-40
3
0.141
0.110
2.000
H11
8-36
3
0.168
0.131
2.130
H11
10-32
3
0.194
0.152
2.382
H11
12-28
3
0.220
0.165
2.382
H11
1/4-28
3
0.255
0.191
2.500
H11
5/16-24
3
0.318
0.238
2.720
H11
3/8-24
3
0.381
0.286
2.941
H11
7/16-20
3
0.323
0.242
3.157
H11
1/2-20
3
0.367
0.275
3.381
H11
5/8-18
4
0.480
0.360
3.811
H11
l
l
l
l
l
l
l
l
l
l
3.505
● 53!æ3TOCK
❍ )NTERNATIONALæ3TOCKææWKS
4.166
4.826
5.486
6.350
7.938
9.525
11.113
12.700
15.875
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
53
5NIVERSALæ!PPLICATIONSææ!LLOYEDææ5NALLOYEDæ3TEELS
NEW!
ANSI length - ANSI shank
UNC /
UNF
3B
Class of Fit
Cut Taps
STI Tap
Series 3990 - Cobalt, UNC, spiral point, TiN coated, STI style tap
No.
Shank dia.
3B
Overall
Length
Square Size
Approx.
Series
Size
Flutes
inch
inch
inch
Limits
3990
No.
4-40
3
0.141
0.110
2.000
H2/H3
6-32
3
0.194
0.152
2.380
H3/H4
8-32
3
0.220
0.165
2.380
H3/H4
1/4-20
3
0.318
0.238
2.720
H4/H5
3/8-16
3
0.367
0.275
3.381
H5/H6
1/2-13
4
0.480
0.360
3.810
H5/H6
l
l
l
l
l
l
2.845
12.700
Approx.
Series
Order
Through Hole
0° Helix
Order
3.505
4.166
6.350
9.525
NEW!
ANSI length - ANSI shank
Series 3991 - Cobalt, UNF, spiral point, TiN coated, STI style tap
Plug Tap
Chamfer Lead
B · 3.5 - 5
No.
Shank dia.
Square Size
Overall
Length
Size
Flutes
inch
inch
inch
Limits
3991
No.
10-32
3
0.255
0.191
2.500
H3/H4
l
l
l
4.826
1/4-28
3
0.272
0.238
2.720
H3/H4
5/16-24
3
0.381
0.286
2.940
H3/H4
wire thread insert
major dia.
UNC
minor dia.
basic thread for
thread insert STI
TECH TIP: Heli-Coil STI Taps
An STI Tap thread tap is designed to create an oversized
hole so it can accommodate the required Heli-Coil insert.
Screw Thread Inserts are helically formed coils of diamondshaped stainless steel or phosphorous bronze wire that
screw into a threaded hole to form a mating internal thread.
Screw thread inserts are a convenient way of repairing
stripped out threads and are also used to provide stronger
threads in soft materials than what can be obtained by
directly tapping the base material. Aluminum, zinc die cast,
magnesium and even wood are some materials an STI may
be used in.
54
Bright
3B
Steam Oxide
TiN
TiCN
MolyGlide
7.938
Drill or countersink dia.
Tap Size
inch
2-56
0.0906
3-48
0.1063
4-40
0.1220
5-40
1.1339
6-32
0.1496
8-32
0.1732
10-24
0.2047
12-24
0.2283
1/4-20
0.2638
5/16-18
0.3307
3/8-16
0.3937
7/16-14
0.4567
1/2-13
0.5236
9/16-12
0.5906
5/8-11
0.6496
3/4-10
0.7776
7/8-9
0.9055
1-8
1.0312
1 1/8-7
1.1614
1 1/4-7
1.2812
1 3/8-6
1.4173
1 1/2-6
1.5469
TiAlN
6.350
AlCrN
FIREX®
5NIVERSALæ!PPLICATIONSææ!LLOYEDææ5NALLOYEDæ3TEELS
ANSI length - ANSI shank
Series 3988 - Cobalt, UNC, 40° helix, TiN coated, STI style tap
No.
Shank dia.
Square Size
NEW!
3B
Overall
Length
Approx.
Series
Order
Size
Flutes
inch
inch
inch
Limits
3988
No.
4-40
3
0.141
0.110
2.000
H2/H3
6-32
3
0.194
0.152
2.380
H3/H4
8-32
3
0.220
0.165
2.380
H3/H4
1/4-20
3
0.318
0.238
2.720
H4/H5
3/8-16
3
0.367
0.275
3.381
H5/H6
1/2-13
4
0.480
0.360
3.810
H5/H6
l
l
l
l
l
l
2.845
3.505
4.166
6.350
UNC /
UNF
3B
Class of Fit
STI Tap
9.525
12.700
NEW!
ANSI length - ANSI shank
Cut Taps
Blind Hole
40° Helix
Series 3989 - Cobalt, UNF, 40° helix, TiN coated, STI style tap
No.
Shank dia.
Square Size
Overall
Length
3B
Approx.
Series
Order
Size
Flutes
inch
inch
inch
Limits
3989
No.
10-32
3
0.255
0.191
2.500
H3/H4
4.826
1/4-28
3
0.272
0.238
2.720
H3/H4
5/16-24
3
0.381
0.286
2.940
H3/H4
l
l
l
UNF
● 53!æ3TOCK
Drill or countersink dia.
Tap Size
inch
2-64
0.0906
3-56
0.1063
4-48
0.1181
5-44
0.1299
6-40
0.1457
8-36
0.1732
10-32
0.2008
12-28
0.2244
1/4-28
0.2598
5/16-24
0.3230
3/8-24
0.3858
7/16-20
0.4528
1/2-20
0.5156
9/16-18
0.5781
5/8-18
0.6406
3/4-16
0.7677
7/8-14
0.8906
1-12
1.0236
1 1/8-12
1.1481
1 1/4-12
1.2736
1 3/8-12
1.3976
1 1/2-12
1.5236
❍ )NTERNATIONALæ3TOCKææWKS
major dia.
6.350
7.938
Semi-bottoming
Chamfer Lead
C · 2-3
wire thread insert
minor dia.
basic thread for
thread insert STI
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
55
BLUE RING
CUT TAPS
sæ4HROUGHæHOLE
æææ5.#
æææ5.&
æææ-ETRICæ
æææ-ETRICæFINE
0AGEæ
0AGEæ
0AGEæ
0AGEæ
sæ"LINDæHOLE
æææ5.#
æææ5.&
æææ-ETRICæ
æææ-ETRICæFINE
0AGEæ
0AGEæ
0AGEæ
0AGEæ
Note: Items marked as International Stock may become stocked
in USA if sufficient volume is recognized.
Recommended Tapping Speeds
Material Hardness
SFM
HRC
Brinell
Bright finish
Hard coated
--
< 180
25 - 35
40 - 55
< 23
< 240
20 - 30
35 - 45
< 30
< 280
18 - 25
25 - 40
< 35
Tool Steels
< 25
< 320
12 - 15
20 - 30
< 250
5 - 15
10 - 28
Stainless Steel and Aerospace Alloys
3TAINLESSæ3TEELæANDæ!EROSPACEæ!LLOYS
ANSI length - ANSI shank
UNC
2B
Class of Fit
Cut Taps
Through Hole
0° Helix
Plug Tap
Chamfer Lead
B · 3.5 - 5
Series 3907 - PM cobalt, UNC, spiral point, TiN coated
No.
Shank dia.
2B
Overall
Length
Square Size
Approx.
Series
Order
Size
Flutes
inch
inch
inch
Limits
3907
No.
4-40
3
0.141
0.110
1.882
H2/H3
2.845
5-40
3
0.141
0.110
1.941
H2/H3
6-32
3
0.141
0.110
2.000
H3/H4
8-32
3
0.168
0.131
2.130
H3/H4
10-24
3
0.194
0.152
2.382
H3/H4
12-24
3
0.220
0.165
2.382
H3/H4
1/4-20
3
0.255
0.191
2.500
H4/H5
5/16-18
3
0.318
0.238
2.720
H4/H5
3/8-16
3
0.381
0.286
2.941
H5/H6
7/16-14
3
0.323
0.242
3.157
H5/H6
1/2-13
4
0.367
0.275
3.381
H5/H6
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
9/16-12
4
0.429
0.322
3.591
H5/H6
5/8-11
4
0.480
0.360
3.811
H5/H6
3/4-10
4
0.590
0.442
4.252
H5/H6
7/8-9
4
0.697
0.523
4.689
H6/H7
1-8
4
0.800
0.600
5.130
H6/H7
3.175
3.505
4.166
4.826
5.486
6.350
7.938
9.525
11.113
12.700
14.288
15.875
19.050
22.225
25.400
DIN length - DIN shank
Series 1980 - Cobalt, UNC, spiral point, bright finish, DIN 371
Series 1985 - Cobalt, UNC, spiral point, bright finish, DIN 376
58
Bright
DIN 371
DIN 376
Approx.
Series
Series
Order
1985
No.
2B
No.
Shank dia.
Square Size
Overall
Length
Size
Flutes
mm
mm
mm
Limits
1980
4-40
3
3.500
2.700
56.000
H2/H3
6-32
3
4.000
3.000
56.000
H3/H4
8-32
3
4.500
3.400
63.000
H3/H4
10-24
3
6.000
4.900
70.000
H3/H4
12-24
3
6.000
4.900
80.000
H3/H4
l
l
l
°
°
l
l
l
1/4-20
3
7.000
5.500
80.000
H4/H5
5/16-18
3
8.000
6.200
90.000
H4/H5
3/8-16
3
9.000
7.000
100.000
H5/H6
1/2-13
3
9.000
7.000
110.000
H5/H6
9/16-12
4
11.000
9.000
110.000
H5/H6
5/8-11
4
12.000
9.000
110.000
H5/H6
3/4-10
4
14.000
11.000
125.000
H5/H6
7/8-9
4
18.000
14.500
140.000
H6/H7
1-8
4
18.000
14.500
160.000
H6/H7
Steam Oxide
TiN
TiCN
MolyGlide
TiAlN
2.845
3.505
4.166
4.826
5.486
6.350
7.938
9.525
l
°
l
l
l
l
AlCrN
12.700
14.288
15.875
19.050
22.225
25.400
FIREX®
Stainless Steel and Aerospace Alloys
3TAINLESSæ3TEELæANDæ!EROSPACEæ!LLOYS
ANSI length - ANSI shank
UNF
Series 3908 - PM cobalt, UNF, spiral point, TiN coated
No.
Shank dia.
Square Size
Overall
Length
2B
Approx.
Series
Order
Size
Flutes
inch
inch
inch
Limits
3908
No.
4-48
3
0.141
0.110
1.882
H2/H3
5-44
3
0.141
0.110
1.941
H2/H3
6-40
3
0.141
0.110
2.000
H2/H3
8-36
3
0.168
0.131
2.130
H2/H3
10-32
3
0.194
0.152
2.382
H3/H4
12-28
3
0.220
0.165
2.382
H3/H4
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
2.845
3
0.255
0.191
2.500
H3/H4
3
0.318
0.238
2.720
H3/H4
3/8-24
3
0.381
0.286
2.941
H3/H4
7/16-20
3
0.323
0.242
3.157
H4/H5
1/2-20
4
0.367
0.275
3.381
H4/H5
9/16-18
4
0.429
0.322
3.591
H4/H5
5/8-18
4
0.480
0.360
3.811
H4/H5
3/4-16
4
0.590
0.442
4.252
H5/H6
7/8-14
4
0.697
0.523
4.689
H6/H7
1-12
4
0.800
0.600
5.130
H6/H7
3.175
3.505
4.166
4.826
Through Hole
5.486
Cut Taps
1/4-28
5/16-24
2B
Class of Fit
6.350
7.938
0° Helix
9.525
11.113
12.700
14.288
Plug Tap
Chamfer Lead
15.875
19.050
22.225
25.400
B · 3.5 - 5
DIN length - DIN shank
Series 1990 - Cobalt, UNF, spiral point, bright finish, DIN 374
No.
Shank dia.
Square Size
Overall
Length
2B
DIN 374
Approx.
Series
Order
Size
Flutes
mm
mm
mm
Limits
1990
No.
6-40
3
2.500
2.100
56.000
H2/H3
8-36
3
2.800
2.100
63.000
H2/H3
10-32
3
3.500
2.700
70.000
H3/H4
°
°
l
°
°
°
3.505
12-28
3
4.000
3.000
80.000
H3/H4
1/4-28
3
4.500
3.400
80.000
H3/H4
3/8-24
3
7.000
5.500
90.000
H3/H4
● 53!æ3TOCK
❍ )NTERNATIONALæ3TOCKææWKS
4.166
4.826
5.486
6.350
9.525
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
59
3TAINLESSæ3TEELæANDæ!EROSPACEæ!LLOYS
ANSI length - ANSI shank
METRIC
ISO2 (6H)
Class of Fit
Cut Taps
Through Hole
0° Helix
Plug Tap
Chamfer Lead
Series 3906 - PM cobalt, Metric, spiral point, TiN coated
No.
Shank dia.
Overall
Length
Square Size
ISO2 (6H)
Approx.
Series
Order
Size
Flutes
inch
inch
inch
Limits
3906
No.
M2 X 0.40
3
0.141
0.110
1.752
D2/D3
M3 X 0.50
3
0.141
0.110
1.941
D2/D3
M4 X 0.70
3
0.168
0.131
2.130
D3/D4
M5 X 0.80
3
0.194
0.152
2.382
D3/D4
M6 X 1.00
3
0.255
0.191
2.500
D4/D5
M8 X 1.25
3
0.318
0.238
2.720
D4/D5
M10 X 1.50
3
0.381
0.286
2.941
D4/D5
M12 X 1.75
4
0.367
0.275
3.381
D5/D6
M14 X 2.00
4
0.429
0.322
3.591
D5/D6
M16 X 2.00
4
0.480
0.360
3.811
D6/D7
M18 X 2.50
4
0.542
0.406
4.031
D6/D7
M20 X 2.50
4
0.652
0.489
4.469
D6/D7
l
l
l
l
l
l
l
l
l
l
l
l
2.000
3.000
4.000
5.000
6.000
8.000
10.000
12.000
14.000
16.000
18.000
20.000
DIN length - DIN shank
B · 3.5 - 5
60
Bright
Series 879 - PM cobalt, Metric, spiral point, bright finish, DIN 376
Series 1872 - Cobalt, Metric, spiral point, bright finish, DIN 376
DIN 376
DIN 376
Approx.
Series
Series
Order
879
1872
No.
l
l
l
l
l
l
l
°
l
l
l
°
l
l
3.000
ISO2 (6H)
No.
Shank dia.
Square Size
Overall
Length
Size
Flutes
mm
mm
mm
Limits
M3 X 0.50
3
2.200
n.a.
56.000
D2/D3
M4 X 0.70
3
2.800
2.100
63.000
D3/D4
M5 X 0.80
3
3.500
2.700
70.000
D3/D4
M6 X 1.00
3
4.500
3.400
80.000
D4/D5
M8 X 1.25
3
6.000
4.900
90.000
D4/D5
M10 X 1.50
3
7.000
5.500
100.000
D4/D5
M12 X 1.75
3
9.000
7.000
110.000
D5/D6
M14 X 2.00
3
11.000
9.000
110.000
D5/D6
M16 X 2.00
3
12.000
9.000
110.000
D6/D7
M18 X 2.50
4
14.000
11.000
125.000
D6/D7
M20 X 2.50
4
16.000
12.000
140.000
D6/D7
M22 X 2.50
4
18.000
14.500
140.000
D6/D7
M24 X 3.00
4
18.000
14.500
160.000
D7/D8
M30 X 3.50
4
22.000
18.000
180.000
D8/D9
Steam Oxide
TiN
TiCN
MolyGlide®
l
°
°
l
TiAlN
AlCrN
4.000
5.000
6.000
8.000
10.000
12.000
14.000
16.000
18.000
20.000
22.000
24.000
30.000
FIREX®
3TAINLESSæ3TEELæANDæ!EROSPACEæ!LLOYS
DIN length - DIN shank
Series 877 - PM cobalt, Metric, spiral point, bright finish, DIN 371
Series 1870 - Cobalt, Metric, spiral point, bright finish, DIN 371
No.
Shank dia.
Square Size
DIN 371
DIN 371
Approx.
Series
Series
ISO2 (6H)
Overall
Length
Order
Size
Flutes
mm
mm
mm
Limits
877
1870
No.
M3 X 0.50
3
3.500
2.700
56.000
D2/D3
M4 X 0.70
3
4.500
3.400
63.000
D3/D4
M5 X 0.80
3
6.000
4.900
70.000
D3/D4
M6 X 1.00
3
6.000
4.900
80.000
D4/D5
M8 X 1.25
3
8.000
6.200
90.000
D4/D5
M10 X 1.50
3
10.000
8.000
100.000
D4/D5
l
l
l
l
l
l
°
°
°
l
l
l
3.000
4.000
5.000
METRIC /
METRIC
FINE
ISO2 (6H)
Class of Fit
6.000
8.000
Through Hole
DIN length - DIN shank
0° Helix
Series 1873 - Cobalt, Metric Fine, spiral point, bright finish, DIN 374
Size
No.
Shank dia.
Square Size
Overall
Length
Flutes
mm
mm
mm
ISO2 (6H)
Approx.
Series
Order
Limits
1873
No.
°
°
°
°
l
l
°
l
°
°
°
3.002
M3 X 0.35
3
2.200
n.a.
56.000
D2/D3
M4 X 0.50
3
2.800
2.100
63.000
D3/D4
M5 X 0.50
3
3.500
2.700
70.000
D3/D4
M6 X 0.75
3
4.500
3.400
80.000
D3/D4
M8 X 1.00
3
6.000
4.900
90.000
D4/D5
M10 X 1.00
3
7.000
5.500
90.000
D4/D5
M12 X 1.00
3
9.000
7.000
100.000
D4/D5
M14 X 1.50
3
11.000
9.000
100.000
D4/D5
M16 X 1.50
3
12.000
9.000
100.000
D4/D5
M18 X 1.50
4
14.000
11.000
110.000
D4/D5
M24 X 2.00
4
18.000
14.500
140.000
D6/D7
● 53!æ3TOCK
❍ )NTERNATIONALæ3TOCKææWKS
DIN 374
Plug Tap
Chamfer Lead
4.003
5.003
6.004
B · 3.5 - 5
8.005
10.005
12.005
14.007
16.007
18.007
24.008
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
61
Cut Taps
10.000
3TAINLESSæ3TEELæANDæ!EROSPACEæ!LLOYS
ANSI length - ANSI shank
UNC
2B
Class of Fit
Cut Taps
Blind Hole
40° Helix
Semi-bottoming
Chamfer Lead
C · 2-3
Series 3910 - PM cobalt, UNC, 40° helix, TiN coated
No.
Shank dia.
2B
Overall
Length
Square Size
Approx.
Series
Order
Size
Flutes
inch
inch
inch
Limits
3910
No.
4-40
3
0.141
0.110
1.882
H2/H3
5-40
3
0.141
0.110
1.941
H2/H3
6-32
3
0.141
0.110
2.000
H3/H4
8-32
3
0.168
0.131
2.130
H3/H4
10-24
3
0.194
0.152
2.382
H3/H4
12-24
3
0.220
0.165
2.382
H3/H4
1/4-20
3
0.255
0.191
2.500
H4/H5
5/16-18
3
0.318
0.238
2.720
H4/H5
3/8-16
3
0.381
0.286
2.941
H5/H6
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
2.845
7/16-14
3
0.323
0.242
3.157
H5/H6
1/2-13
3
0.367
0.275
3.381
H5/H6
9/16-12
4
0.429
0.322
3.591
H5/H6
5/8-11
4
0.480
0.360
3.811
H5/H6
3/4-10
4
0.590
0.442
4.252
H5/H6
7/8-9
4
0.697
0.523
4.689
H6/H7
1-8
4
0.800
0.600
5.130
H6/H7
3.175
3.505
4.166
4.826
5.486
6.350
7.938
9.525
11.113
12.700
14.288
15.875
19.050
22.225
25.400
DIN length - DIN shank
Series 1981 - Cobalt, UNC, 40° helix, bright finish, DIN 371
Series 1986 - Cobalt, UNC, 40° helix, bright finish, DIN 376
No.
62
Bright
Shank dia.
Square Size
Overall
Length
DIN 371
DIN 376
Approx.
Series
Series
1986
2B
Size
Flutes
mm
mm
mm
Limits
1981
2-56
3
2.800
2.100
45.000
H2/H3
4-40
3
3.500
2.700
56.000
H2/H3
5-40
3
3.500
2.700
56.000
H2/H3
6-32
3
4.000
3.000
56.000
H3/H4
l
l
°
l
°
°
l
l
l
8-32
3
4.500
3.400
63.000
H3/H4
10-24
3
6.000
4.900
70.000
H3/H4
1/4-20
3
7.000
5.500
80.000
H4/H5
5/16-18
3
8.000
6.200
90.000
H4/H5
3/8-16
3
9.000
7.000
100.000
H5/H6
7/16-14
3
8.000
6.200
100.000
H5/H6
1/2-13
3
9.000
7.000
110.000
H5/H6
9/16-12
3
11.000
9.000
110.000
H5/H6
5/8-11
4
12.000
9.000
110.000
H5/H6
3/4-10
4
14.000
11.000
125.000
H5/H6
7/8-9
4
18.000
14.500
140.000
H6/H7
Steam Oxide
TiN
TiCN
MolyGlide®
TiAlN
Order
No.
2.184
2.845
3.175
3.505
4.166
4.826
6.350
7.938
9.525
°
l
°
l
l
l
AlCrN
11.113
12.700
14.288
15.875
19.050
22.225
FIREX®
3TAINLESSæ3TEELæANDæ!EROSPACEæ!LLOYS
ANSI length - ANSI shank
Series 3911 - PM cobalt, UNF, 40° helix, TiN coated
No.
Shank dia.
UNF
Square Size
Overall
Length
2B
Approx.
Series
Order
Size
Flutes
inch
inch
inch
Limits
3911
No.
4-48
3
0.141
0.110
1.882
H2/H3
5-44
3
0.141
0.110
1.941
H2/H3
6-40
3
0.141
0.110
2.000
H2/H3
8-36
3
0.168
0.131
2.130
H2/H3
10-32
3
0.194
0.152
2.382
H3/H4
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
2.845
3
0.220
0.165
2.382
H3/H4
3
0.255
0.191
2.500
H3/H4
5/16-24
3
0.318
0.238
2.720
H3/H4
3/8-24
3
0.381
0.286
2.941
H3/H4
7/16-20
3
0.323
0.242
3.157
H4/H5
1/2-20
3
0.367
0.275
3.381
H4/H5
9/16-18
4
0.429
0.322
3.591
H4/H5
5/8-18
4
0.480
0.360
3.811
H4/H5
3/4-16
4
0.590
0.442
4.252
H5/H6
7/8-14
4
0.697
0.523
4.689
H6/H7
1-12
4
0.800
0.600
5.130
H6/H7
3.175
3.505
4.166
4.826
Blind Hole
5.486
6.350
Cut Taps
12-28
1/4-28
2B
Class of Fit
40° Helix
7.938
9.525
11.113
12.700
14.288
Semi-bottoming
Chamfer Lead
15.875
19.050
22.225
25.400
C · 2-3
DIN length - DIN shank
Series 2867 - Cobalt, UNF, 40° helix, bright finish, DIN 374
No.
Shank dia.
Square Size
Overall
Length
2B
DIN 374
Approx.
Series
Order
Size
Flutes
mm
mm
mm
Limits
2867
No.
3-56
3
1.800
n.a.
50.000
H2/H3
4-48
3
2.200
n.a.
56.000
H2/H3
5-44
3
2.500
2.100
56.000
H2/H3
6-40
3
2.500
2.100
56.000
H2/H3
8-36
3
2.800
2.100
63.000
H2/H3
10-32
3
3.500
2.700
70.000
H3/H4
12-28
3
4.000
3.000
80.000
H3/H4
1/4-28
3
4.500
3.400
80.000
H3/H4
°
°
°
°
°
°
°
°
°
°
°
°
°
l
l
2.515
5/16-24
3
6.000
4.900
90.000
H3/H4
3/8-24
3
7.000
5.500
90.000
H3/H4
7/16-20
3
8.000
6.200
90.000
H4/H5
1/2-20
3
9.000
7.000
100.000
H4/H5
5/8-18
4
12.000
9.000
100.000
H4/H5
7/8-14
4
18.000
14.500
125.000
H6/H7
1-12
4
18.000
14.500
140.000
H6/H7
● 53!æ3TOCK
❍ )NTERNATIONALæ3TOCKææWKS
2.845
3.175
3.505
4.166
4.826
5.486
6.350
7.938
9.525
11.113
12.700
15.875
22.225
25.400
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
63
3TAINLESSæ3TEELæANDæ!EROSPACEæ!LLOYS
ANSI length - ANSI shank
METRIC
ISO2 (6H)
Class of Fit
Cut Taps
Blind Hole
40° Helix
Semi-bottoming
Chamfer Lead
Series 3909 - PM cobalt, Metric, 40° helix, TiN coated
Size
No.
Shank dia.
Square Size
Overall
Length
Flutes
inch
inch
inch
ISO2 (6H)
Approx.
Series
Order
Limits
3909
No.
l
l
l
l
l
l
l
l
l
l
l
l
2.000
M2 X 0.40
3
0.141
0.110
1.752
D2/D3
M3 X 0.50
3
0.141
0.110
1.941
D2/D3
M4 X 0.70
3
0.168
0.131
2.130
D3/D4
M5 X 0.80
3
0.194
0.152
2.382
D3/D4
M6 X 1.00
3
0.255
0.191
2.500
D4/D5
M8 X 1.25
3
0.318
0.238
2.720
D4/D5
M10 X 1.50
3
0.381
0.286
2.941
D4/D5
M12 X 1.75
3
0.367
0.275
3.381
D5/D6
M14 X 2.00
3
0.429
0.322
3.591
D5/D6
M16 X 2.00
4
0.480
0.360
3.811
D6/D7
M18 X 2.50
4
0.542
0.406
4.031
D6/D7
M20 X 2.50
4
0.652
0.489
4.469
D6/D7
3.000
4.000
5.000
6.000
8.000
10.000
12.000
14.000
16.000
18.000
20.000
DIN length - DIN shank
Series 909 - PM cobalt, Metric, 40° helix, bright finish, DIN 371
Series 910 - PM cobalt, Metric, 40° helix, bright finish, DIN 376
C · 2-3
No.
Shank dia.
Overall
Length
Square Size
DIN 371
DIN 376
Approx.
Series
Series
910
ISO2 (6H)
Size
Flutes
mm
mm
mm
Limits
909
M3 X 0.50
3
3.500
2.700
56.000
D2/D3
M4 X 0.70
3
4.500
3.400
63.000
D3/D4
M5 X 0.80
3
6.000
4.900
70.000
D3/D4
M6 X 1.00
3
6.000
4.900
80.000
D4/D5
M8 X 1.25
3
8.000
6.200
90.000
D4/D5
M10 X 1.50
3
10.000
8.000
100.000
D4/D5
l
°
°
l
l
l
M12 X 1.75
3
9.000
7.000
110.000
D5/D6
M14 X 2.00
3
11.000
9.000
110.000
D5/D6
M16 X 2.00
4
12.000
9.000
110.000
D6/D7
M20 X 2.50
4
16.000
12.000
140.000
D6/D7
M24 X 3.00
4
18.000
14.500
160.000
D7/D8
Order
No.
3.000
4.000
5.000
6.000
8.000
10.000
l
°
l
°
°
12.000
14.000
16.000
20.000
24.000
DIN length - DIN shank
Series 936 - PM cobalt, Metric Fine, 40° helix, bright finish, DIN 374
64
Bright
No.
Shank dia.
Square Size
Overall
Length
Size
Flutes
mm
mm
ISO2 (6H)
Approx.
Series
Order
mm
Limits
936
No.
l
l
°
l
l
l
l
°
M8 X 1.00
3
6.000
4.900
90.000
D4/D5
M10 X 1.00
3
7.000
5.500
90.000
D4/D5
M12 X 1.00
3
9.000
7.000
100.000
D4/D5
M12 X 1.50
3
9.000
7.000
100.000
D5/D6
M14 X 1.50
3
11.000
9.000
100.000
D4/D5
M16 X 1.50
4
12.000
9.000
100.000
D4/D5
M18 X 1.50
4
14.000
11.000
110.000
D4/D5
M20 X 1.50
4
16.000
12.000
125.000
D6/D7
Steam Oxide
TiN
TiCN
DIN 374
MolyGlide®
TiAlN
AlCrN
8.005
10.005
12.005
12.007
14.007
16.007
18.007
20.007
FIREX®
3TAINLESSæ3TEELæANDæ!EROSPACEæ!LLOYS
DIN length - DIN shank
Series 2895 - Cobalt, Metric, 15° helix, TiN coated, DIN 376
Series 2896 - Cobalt, Metric, 15° helix, TiN coated, DIN 371
No.
Shank dia.
Overall
Length
Square Size
DIN 376
DIN 371
Approx.
Series
Series
2895
2896
No.
l
l
l
l
°
°
3.000
ISO2 (6H)
Flutes
mm
mm
mm
Limits
3
3.500
2.700
56.000
D2/D3
M4 X 0.70
3
4.500
3.400
63.000
D3/D4
M5 X 0.80
3
6.000
4.900
70.000
D3/D4
M6 X 1.00
3
6.000
4.900
80.000
D4/D5
M8 X 1.25
3
8.000
6.200
90.000
D4/D5
M10 X 1.50
3
10.000
8.000
100.000
D4/D5
M12 X 1.75
3
9.000
7.000
110.000
D5/D6
M14 X 2.00
3
11.000
9.000
110.000
D5/D6
M16 X 2.00
4
12.000
9.000
110.000
D6/D7
M18 X 2.50
4
14.000
11.000
125.000
D6/D7
M20 X 2.50
4
16.000
12.000
140.000
D6/D7
M22 X 2.50
4
18.000
14.500
140.000
D6/D7
M24 X 3.00
4
18.000
14.500
160.000
D7/D8
°
°
l
°
l
°
°
4.000
5.000
6.000
8.000
10.000
12.000
16.000
18.000
15° Helix
20.000
22.000
24.000
Semi-bottoming
Chamfer Lead
C · 2-3
Series 2897 - Cobalt, Metric Fine, 15° helix, TiN coated, DIN 374
No.
Shank dia.
Square Size
Overall
Length
Size
Flutes
mm
mm
M4 X 0.50
3
2.800
M5 X 0.50
3
3.500
M6 X 0.50
3
M6 X 0.75
ISO2 (6H)
DIN 374
Approx.
Series
Order
mm
Limits
2897
No.
2.100
63.000
D3/D4
70.000
D3/D4
4.500
3.400
80.000
D3/D4
3
4.500
3.400
80.000
D3/D4
°
°
°
°
l
°
°
°
l
l
°
°
°
°
4.003
2.700
M8 X 1.00
3
6.000
4.900
90.000
D4/D5
M10 X 1.00
3
7.000
5.500
90.000
D4/D5
M12 X 1.00
3
9.000
7.000
100.000
D4/D5
M12 X 1.50
3
9.000
7.000
100.000
D5/D6
M14 X 1.50
3
11.000
9.000
100.000
D4/D5
M16 X 1.50
4
12.000
9.000
100.000
D4/D5
M18 X 1.50
4
14.000
11.000
110.000
D4/D5
M20 X 1.50
4
16.000
12.000
125.000
D6/D7
M22 X 1.50
4
18.000
14.500
125.000
D6/D7
M24 X 1.50
4
18.000
14.500
140.000
D6/D7
❍ )NTERNATIONALæ3TOCKææWKS
Blind Hole
14.000
DIN length - DIN shank
● 53!æ3TOCK
ISO2 (6H)
Class of Fit
Cut Taps
Size
M3 X 0.50
Order
METRIC /
METRIC
FINE
5.003
6.003
6.004
8.005
10.005
12.005
12.007
14.007
16.007
18.007
20.007
22.007
24.007
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
65
RED RING
CUT TAPS
sæ4HROUGHæHOLE
æææ5.#
æææ5.&
æææ-ETRICæ
æææ-ETRICæFINE
0AGEæ
0AGEæ
0AGEæ
0AGEæ
sæ"LINDæHOLE
æææ5.#
æææ5.&
æææ-ETRICæ
æææ-ETRICæFINE
0AGEæ
0AGEæ
0AGEæ
0AGEæ
Note: Items marked as International Stock may become stocked
in USA if sufficient volume is recognized.
Recommended Tapping Speeds
Material Hardness
SFM
HRC
Brinell
Bright finish
Hard coated
< 30
< 280
25 - 35
35 - 50
< 35
< 320
18 - 25
28 - 40
< 38
< 350
10 - 20
14 - 35
< 60
Tool Steels
< 25
*( Series 2944 only)
< 250
8 - 20
4-7
15 - 35
High-Tensile, Heat-Treatable Hardened and Tool Steels
DIN length - ANSI shank
UNC /
UNF
2B
Class of Fit
Cut Taps
Through Hole
0° Helix
Plug Tap
Chamfer Lead
B · 3.5 - 5
Series 3992 - PM cobalt, UNC, spiral point, TiN coated
No.
Shank dia.
Square Size
NEW!
Overall
Length
2B
Approx.
Series
Order
Size
Flutes
inch
inch
inch
Limits
3992
No.
4-40
3
0.141
0.110
2.205
H2/H3
5-40
3
0.141
0.110
2.205
H2/H3
6-32
3
0.141
0.110
2.205
H3/H4
8-32
3
0.168
0.131
2.480
H3/H4
10-24
3
0.194
0.152
2.756
H3/H4
12-24
3
0.220
0.165
3.150
H3/H4
1/4-20
3
0.255
0.191
3.150
H4/H5
5/16-18
3
0.318
0.238
3.543
H4/H5
3/8-16
3
0.381
0.286
3.937
H5/H6
7/16-14
3
0.323
0.242
3.937
H5/H6
1/2-13
4
0.367
0.275
4.331
H5/H6
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
2.845
5/8-11
4
0.480
0.360
4.331
H5/H6
3/4-10
4
0.590
0.442
4.921
H5/H6
7/8-9
4
0.697
0.523
5.512
H6/H7
1-8
4
0.800
0.600
6.299
H6/H7
1 1/4-7
4
1.021
0.766
7.087
H7/H8
1 1/2-6
5
1.233
0.925
7.874
H7/H8
3.175
3.505
4.166
4.826
5.486
6.350
7.938
9.525
11.113
12.700
15.875
19.050
22.225
25.400
31.750
38.100
NEW!
DIN length - ANSI shank
Series 3994 - PM cobalt, UNF, spiral point, TiN coated
NEW!
ngth
DIN le nk
ha
ANSI s
p
a
t s
68
Bright
2B
No.
Shank dia.
Square Size
Overall
Length
Size
Flutes
inch
inch
inch
Limits
3994
No.
4-48
3
0.141
0.110
2.205
H2/H3
3
0.141
0.110
2.205
H2/H3
6-40
3
0.141
0.110
2.205
H2/H3
8-36
3
0.168
0.131
2.480
H2/H3
10-32
3
0.194
0.152
2.756
H3/H4
12-28
3
0.220
0.165
3.150
H3/H4
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
2.845
5-44
Approx.
Series
Order
1/4-28
3
0.255
0.191
3.150
H3/H4
5/16-24
3
0.318
0.238
3.543
H3/H4
3/8-24
3
0.381
0.286
3.543
H3/H4
7/16-20
3
0.323
0.242
3.937
H4/H5
1/2-20
4
0.367
0.275
3.937
H4/H5
5/8-18
4
0.480
0.360
3.937
H4/H5
3/4-16
4
0.590
0.442
4.331
H5/H6
7/8-14
4
0.697
0.523
4.921
H6/H7
1-12
4
0.800
0.600
5.512
H6/H7
1 1/4-12
4
1.021
0.766
5.901
H6/H7
1 1/2-12
5
1.233
0.925
6.699
H6/H7
Steam Oxide
TiN
TiCN
MolyGlide®
TiAlN
AlCrN
3.175
3.505
4.166
4.826
5.486
6.350
7.938
9.525
11.113
12.700
15.875
19.050
22.225
25.400
31.750
38.100
FIREX®
High-Tensile, Heat-Treatable Hardened and Tool Steels
DIN length - DIN shank
Series 804 - Cobalt, Metric, spiral point, bright finish, DIN 371
Series 1914 - Cobalt, Metric, spiral point, TiCN coated, DIN 371
METRIC
DIN 371
DIN 371
Approx.
Series
Series
Order
ISO2 (6H)
No.
Shank dia.
Square Size
Overall
Length
Size
Flutes
mm
mm
mm
Limits
804
1914
No.
l
°
l
°
°
l
°
°
2.000
M2 x 0.40
3
2.800
2.100
45.000
D2/D3
M2.2 x 0.45
3
2.800
2.100
45.000
D2/D3
M2.3 X 0.40
3
2.800
2.100
45.000
D2/D3
M2.5 x 0.45
3
2.800
2.100
50.000
D2/D3
M2.6 x 0.45
3
2.800
2.100
50.000
D2/D3
3
3.500
2.700
56.000
D2/D3
3
4.000
3.000
56.000
D3/D4
M4 x 0.70
3
4.500
3.400
63.000
D3/D4
M5 x 0.80
3
6.000
4.900
70.000
D3/D4
M6 x 1.00
3
6.000
4.900
80.000
D4/D5
M8 x 1.25
3
8.000
6.200
90.000
D4/D5
M10 x 1.50
3
10.000
8.000
100.000
D4/D5
2.200
2.300
2.500
3.000
3.500
°
°
l
°
l
5.000
6.000
8.000
Plug Tap
Chamfer Lead
10.000
B · 3.5 - 5
Series 816 - Cobalt, Metric, spiral point, bright finish, DIN 376
Series 1915 - Cobalt, Metric, spiral point, TiCN coated, DIN 376
DIN 376
DIN 376
Approx.
Series
Series
Order
ISO2 (6H)
No.
Shank dia.
Square Size
Overall
Length
Size
Flutes
mm
mm
mm
Limits
816
1915
No.
M3 x 0.50
3
2.200
n.a.
56.000
D2/D3
3
2.800
2.100
63.000
D3/D4
M5 x 0.80
3
3.500
2.700
70.000
D3/D4
M6 x 1.00
3
4.500
3.400
80.000
D4/D5
M8 x 1.25
3
6.000
4.900
90.000
D4/D5
M10 x 1.50
3
7.000
5.500
100.000
D4/D5
M12 x 1.75
3
9.000
7.000
110.000
D5/D6
M14 x 2.00
3
11.000
9.000
110.000
D5/D6
M16 x 2.00
3
12.000
9.000
110.000
D6/D7
M18 x 2.50
4
14.000
11.000
125.000
D6/D7
M20 x 2.50
4
16.000
12.000
140.000
D6/D7
M24 x 3.00
4
18.000
14.500
160.000
D7/D8
°
°
°
°
°
l
°
l
l
°
°
l
°
°
°
°
°
°
°
°
°
°
l
°
3.000
M4 x 0.70
❍ )NTERNATIONALæ3TOCKææWKS
0° Helix
4.000
DIN length - DIN shank
● 53!æ3TOCK
Through Hole
2.600
Cut Taps
M3 x 0.50
M3.5 x 0.60
°
°
°
l
°
l
l
l
l
ISO2 (6H)
Class of Fit
4.000
5.000
6.000
8.000
10.000
12.000
14.000
16.000
18.000
20.000
24.000
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
69
High-Tensile, Heat-Treatable Hardened and Tool Steels
DIN length - DIN shank
METRIC
FINE
Cut Taps
ISO2 (6H)
Class of Fit
Through Hole
0° Helix
Plug Tap
Chamfer Lead
Series 828 - Cobalt, Metric Fine, spiral point, bright finish, DIN 374
No.
Shank dia.
Square Size
Overall
Length
ISO2 (6H)
DIN 374
Approx.
Series
Order
Size
Flutes
mm
mm
mm
Limits
828
No.
M3 x 0.35
3
2.200
n.a.
56.000
D2/D3
3.002
M4 x 0.50
3
2.800
2.100
63.000
D3/D4
M5 x 0.50
3
3.500
2.700
70.000
D3/D4
M6 x 0.75
3
4.500
3.400
80.000
D3/D4
M8 x 0.75
3
6.000
4.900
80.000
D3/D4
M8 x 1.00
3
6.000
4.900
90.000
D4/D5
M10 x 1.00
3
7.000
5.500
90.000
D4/D5
M12 x 1.50
3
9.000
7.000
100.000
D5/D6
M14 x 1.50
3
11.000
9.000
100.000
D4/D5
M16 x 1.50
3
12.000
9.000
100.000
D4/D5
M18 x 1.50
4
14.000
11.000
110.000
D4/D5
M20 x 1.50
4
16.000
12.000
125.000
D6/D7
M22 x 1.50
4
18.000
14.500
125.000
D6/D7
°
°
°
l
°
°
°
l
l
°
°
l
°
4.003
5.003
6.004
8.004
8.005
10.005
12.007
14.007
16.007
18.007
20.007
22.007
B · 3.5 - 5
70
Bright
Steam Oxide
TiN
TiCN
MolyGlide®
TiAlN
AlCrN
FIREX®
High-Tensile, Heat-Treatable Hardened
and Tool Steels and Tool Steels
High-Tensile, Heat-Treatable
Hardened
DIN length - ANSI shank
NEW!
Series 3993 - PM cobalt, UNC, 40° helix, TiN coated
2B
No.
Shank dia.
Square Size
Overall
Length
Size
Flutes
inch
inch
inch
Limits
3993
No.
4-40
3
0.141
0.110
2.205
H2/H3
3
0.141
0.110
2.205
H2/H3
6-32
3
0.141
0.110
2.205
H3/H4
8-32
3
0.168
0.131
2.480
H3/H4
10-24
3
0.194
0.152
2.756
H3/H4
12-24
3
0.220
0.165
3.150
H3/H4
1/4-20
3
0.255
0.191
3.150
H4/H5
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
2.845
5-40
Approx.
Series
Order
3
0.318
0.238
3.543
H4/H5
3/8-16
3
0.381
0.286
3.937
H5/H6
7/16-14
3
0.323
0.242
3.937
H5/H6
1/2-13
3
0.367
0.275
4.331
H5/H6
5/8-11
4
0.480
0.360
4.331
H5/H6
3/4-10
4
0.590
0.442
4.921
H5/H6
7/8-9
5
0.697
0.523
5.512
H6/H7
1-8
5
0.800
0.600
6.299
H6/H7
1 1/4-7
5
1.021
0.766
7.087
H7/H8
1 1/2-6
6
1.233
0.925
7.874
H7/H8
2B
Class of Fit
3.175
3.505
4.166
4.826
5.486
Blind Hole
Cut Taps
5/16-18
UNC /
UNF
6.350
7.938
9.525
40° Helix
11.113
12.700
15.875
19.050
Semi-bottoming
Chamfer Lead
22.225
25.400
31.750
38.100
C · 2-3
NEW!
DIN length - ANSI shank
Series 3995 - PM cobalt, UNF, 40° helix, TiN coated
2B
No.
Shank dia.
Square Size
Overall
Length
Size
Flutes
inch
inch
inch
Limits
3995
No.
4-48
3
0.141
0.110
2.205
H2/H3
3
0.141
0.110
2.205
H2/H3
6-40
3
0.141
0.110
2.205
H2/H3
8-36
3
0.168
0.131
2.480
H2/H3
10-32
3
0.194
0.152
2.756
H3/H4
12-28
3
0.220
0.165
3.150
H3/H4
1/4-28
3
0.255
0.191
3.150
H3/H4
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
2.845
5-44
Approx.
Series
Order
5/16-24
3
0.318
0.238
3.543
H3/H4
3/8-24
3
0.381
0.286
3.543
H3/H4
7/16-20
3
0.323
0.242
3.937
H4/H5
1/2-20
3
0.367
0.275
3.937
H4/H5
5/8-18
4
0.480
0.360
3.937
H4/H5
3/4-16
4
0.590
0.442
4.331
H5/H6
7/8-14
5
0.697
0.523
4.921
H6/H7
1-12
5
0.800
0.600
5.512
H6/H7
1 1/4-12
5
1.021
0.766
5.901
H6/H7
1 1/2-12
6
1.233
0.925
6.699
H6/H7
● 53!æ3TOCK
❍ )NTERNATIONALæ3TOCKææWKS
3.175
3.505
4.166
4.826
5.486
6.350
7.938
9.525
11.113
12.700
15.875
NEW
DIN l !
e
ANSI ngth
shan
taps k
19.050
22.225
25.400
31.750
38.100
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
71
High-Tensile, Heat-Treatable Hardened and Tool Steels
DIN length - DIN shank
METRIC
Series 811 - Cobalt, Metric, 40° helix, bright finish, DIN 371
Series 1916 - Cobalt, Metric, 40° helix, TiCN coated, DIN 371
ISO2 (6H)
Class of Fit
Cut Taps
Blind Hole
40° Helix
Semi-bottoming
Chamfer Lead
No.
Shank dia.
Square Size
Overall
Length
DIN 371
DIN 371
Approx.
Series
Series
ISO2 (6H)
Order
Size
Flutes
mm
mm
mm
Limits
811
1916
No.
M2 X 0.40
3
2.800
2.100
45.000
D2/D3
l
M2.5 X 0.45
3
2.800
2.100
50.000
D2/D3
M2.6 X 0.45
3
2.800
2.100
50.000
D2/D3
M3 X 0.50
3
3.500
2.700
56.000
D2/D3
M3.5 X 0.60
3
4.000
3.000
56.000
D3/D4
M4 X 0.70
3
4.500
3.400
63.000
D3/D4
M5 X 0.80
3
6.000
4.900
70.000
D3/D4
M6 X 1.00
3
6.000
4.900
80.000
D4/D5
M7 X 1.00
3
7.000
5.500
80.000
D4/D5
M8 X 1.25
3
8.000
6.200
90.000
D4/D5
M10 X 1.50
3
10.000
8.000
100.000
D4/D5
l
l
°
°
°
l
l
l
°
l
l
2.000
°
°
°
°
l
°
°
°
DIN 371
DIN 376
Approx.
Series
Series
1901
2.500
2.600
3.000
3.500
4.000
5.000
6.000
7.000
8.000
10.000
C · 2-3
DIN length - DIN shank
Series 1894 - Cobalt, Metric, 40° helix, bright finish, DIN 371, axial coolant through
Series 1901 - Cobalt, Metric, 40° helix, bright finish, DIN 376, axial coolant through
No.
72
Bright
Shank dia.
Square Size
Overall
Length
ISO2 (6H)
Size
Flutes
mm
mm
mm
Limits
1894
M5 X 0.80
3
6.000
4.900
70.000
D3/D4
M6 X 1.00
3
6.000
4.900
80.000
D4/D5
M8 X 1.25
3
8.000
6.200
90.000
D4/D5
M10 X 1.50
3
10.000
8.000
100.000
D4/D5
°
°
l
°
M12 X 1.75
3
9.000
7.000
110.000
D5/D6
M14 x 2.00
3
11.000
9.000
110.000
D5/D6
M16 X 2.00
4
12.000
9.000
110.000
D6/D7
M18 x 2.50
4
16.000
12.000
140.000
D6/D7
M20 x 2.50
4
18.000
14.500
160.000
D6/D7
Steam Oxide
TiN
TiCN
MolyGlide®
TiAlN
Order
No.
5.000
6.000
8.000
10.000
°
°
l
°
l
AlCrN
12.000
14.000
16.000
18.000
20.000
FIREX®
High-Tensile, Heat-Treatable Hardened and Tool Steels
DIN length - DIN shank
Series 823 - Cobalt, Metric, 40° helix, bright finish, DIN 376, chamfer type C
Series 1917 - Cobalt, Metric, 40° helix, TiCN coated, DIN 376, chamfer type C
No.
Shank dia.
Square Size
Overall
Length
METRIC
DIN 376
DIN 376
Approx.
Series
Series
ISO2 (6H)
Order
Size
Flutes
mm
mm
mm
Limits
823
1917
No.
M3 X 0.50
3
2.200
n.a.
56.000
D2/D3
M4 X 0.70
3
2.800
2.100
63.000
D3/D4
M5 X 0.80
3
3.500
2.700
70.000
D3/D4
M6 X 1.00
3
4.500
3.400
80.000
D4/D5
l
l
l
l
l
l
l
l
l
°
°
°
l
°
°
°
l
°
°
°
l
°
°
°
l
°
°
°
3.000
3
6.000
4.900
90.000
D4/D5
3
7.000
5.500
100.000
D4/D5
M12 X 1.75
3
9.000
7.000
110.000
D5/D6
M14 X 2.00
3
11.000
9.000
110.000
D5/D6
M16 X 2.00
4
12.000
9.000
110.000
D6/D7
M18 X 2.50
4
14.000
11.000
125.000
D6/D7
M20 X 2.50
4
16.000
12.000
140.000
D6/D7
M22 X 2.50
5
18.000
14.500
140.000
D6/D7
M24 X 3.00
5
18.000
14.500
160.000
D7/D8
M30 X 3.50
5
22.000
18.000
180.000
D7/D8
4.000
5.000
6.000
Blind Hole
8.000
10.000
12.000
Cut Taps
M8 X 1.25
M10 X 1.50
ISO2 (6H)
Class of Fit
40° Helix
14.000
16.000
18.000
20.000
Semi-bottoming
Chamfer Lead
22.000
24.000
30.000
C · 2-3
DIN length - DIN shank
Series 2944 - carbide, Metric, TiCN coated, straight flute, chamfer type D
D · 3.5-5
No.
Shank dia.
Square Size
Overall
Length
Size
Flutes
mm
mm
M3 X 0.50
3
3.500
M4 X 0.70
4
4.500
M5 X 0.80
4
M6 X 1.00
ISO2 (6H)
Approx.
Series
Order
mm
Limits
2944
No.
2.700
56.000
D2/D3
63.000
D3/D4
6.000
4.900
70.000
D3/D4
4
6.000
4.900
80.000
D4/D5
M8 X 1.25
5
8.000
6.200
90.000
D4/D5
M10 X 1.50
5
10.000
8.000
100.000
D4/D5
M12 X 1.75
5
12.000
9.000
110.000
D5/D6
l
l
l
l
l
l
l
3.000
3.400
4.000
5.000
6.000
8.000
10.000
12.000
TECH TIP: Type D Form
A type D chamfer form has a 3.5 - 5 thread chamfer lead. This chamfer can be used in both through
holes and in blind holes when the tap drill depth permits this chamfer length. This is especially useful
when tapping harder materials due to the extended chamfer length which distributes the thread
cutting process over more cutting edges. The D chamfer form is usually found on rigid, straight fluted
tap designs.
● 53!æ3TOCK
❍ )NTERNATIONALæ3TOCKææWKS
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
73
High-Tensile, Heat-Treatable Hardened and Tool Steels
DIN length - DIN shank
METRIC /
METRIC
FINE
Cut Taps
6HX
Class of Fit
Blind Hole
Series 1188 - PM Cobalt, Metric, 15° helix, TiCN coated, DIN 371, axial coolant
Series 1194 - PM Cobalt, Metric, 15° helix, TiCN coated, DIN 376, axial coolant
No.
Shank dia.
Square Size
DIN 371
DIN 376
Approx.
Series
Series
1194
6HX
Overall
Length
Size
Flutes
mm
mm
mm
Limits
1188
M6 X 1.00
3
6.000
4.900
80.000
D4/D5
M8 X 1.25
3
8.000
6.200
90.000
D4/D5
°
°
°
M10 X 1.50
3
10.000
8.000
100.000
D4/D5
M12 X 1.75
4
9.000
7.000
110.000
D5/D6
M14 X 2.00
4
11.000
9.000
110.000
D5/D6
M16 X 2.00
4
12.000
9.000
110.000
D6/D7
M20 X 2.50
5
16.000
12.000
140.000
D6/D7
M24 X 3.00
5
18.000
14.500
160.000
D7/D8
Order
No.
6.000
8.000
10.000
°
°
°
°
°
12.000
14.000
16.000
20.000
24.000
15° Helix
Semi-bottoming
Chamfer Lead
C · 2-3
DIN length - DIN shank
Series 935 - PM cobalt, Metric, 15° helix, bright finish, DIN 376
No.
Shank dia.
Square Size
Overall
Length
Size
Flutes
mm
mm
M12 X 1.75
3
9.000
M16 X 2.00
4
12.000
M20 X 2.50
4
16.000
ISO2 (6H)
DIN 376
Approx.
Series
Order
mm
Limits
935
No.
7.000
110.000
D5/D6
110.000
D6/D7
12.000
140.000
D6/D7
l
°
l
12.000
9.000
16.000
20.000
DIN length - DIN shank
Series 1200 - PM Cobalt, Metric Fine, 15° helix, TiCN coated, DIN 376, axial coolant
Size
74
Bright
6HX
No.
Shank dia.
Square Size
Flutes
mm
mm
mm
Limits
1200
°
°
°
°
°
°
°
°
°
°
Approx.
Series
Order
No.
M9 X 1
4
7.000
5.500
90.000
D4/D5
M10 X 1
4
7.000
5.500
90.000
D4/D5
M12 X 1
4
9.000
7.000
100.000
D4/D5
M12 X 1.25
4
9.000
7.000
100.000
D4/D5
M12 X 1.50
4
9.000
7.000
100.000
D5/D6
M14 X 1.50
4
11.000
9.000
100.000
D4/D5
M16 X 1.50
5
12.000
9.000
100.000
D4/D5
M18 X 1.50
5
14.000
11.000
110.000
D4/D5
M20 X 1.50
6
16.000
12.000
125.000
D6/D7
M24 X 1.50
6
18.000
14.500
140.000
D6/D7
Steam Oxide
DIN 374
Overall
Length
TiN
TiCN
MolyGlide®
TiAlN
AlCrN
9.005
10.005
12.005
12.006
12.007
14.007
16.007
18.007
20.007
24.007
FIREX®
High-Tensile, Heat-Treatable Hardened and Tool Steels
DIN length - DIN shank
Series 835 - Cobalt, Metric Fine, 40° helix, bright finish, DIN 374
Size
No.
Shank dia.
Square Size
Overall
Length
Flutes
mm
mm
mm
ISO2 (6H)
DIN 374
Approx.
Series
Order
Limits
835
No.
°
°
l
l
°
l
°
°
l
°
°
l
6.004
3
4.500
3.400
80.000
D3/D4
3
6.000
4.900
80.000
D3/D4
M8 X 1.00
3
6.000
4.900
90.000
D4/D5
M10 X 1.00
3
7.000
5.500
90.000
D4/D5
M12 X 1.00
3
9.000
7.000
100.000
D4/D5
M12 X 1.50
3
9.000
7.000
100.000
D5/D6
M14 X 1.50
3
11.000
9.000
100.000
D4/D5
M16 X 1.50
4
12.000
9.000
100.000
D4/D5
M18 X 1.50
4
14.000
11.000
110.000
D4/D5
M20 X 1.50
4
16.000
12.000
125.000
D6/D7
M22 X 1.50
5
18.000
14.500
125.000
D6/D7
M24 X 1.50
5
18.000
14.500
140.000
D6/D7
ISO2 (6H)
Class of Fit
8.004
8.005
10.005
12.005
12.007
Blind Hole
Cut Taps
M6 X 0.75
M8 X 0.75
METRIC
FINE
14.007
16.007
18.007
40° Helix
20.007
22.007
24.007
Semi-bottoming
Chamfer Lead
C · 2-3
DIN length - DIN shank
Series 1907 - Cobalt, Metric Fine, 40° helix, bright finish, DIN 374, axial coolant
No.
Shank dia.
Square Size
Overall
Length
Size
Flutes
mm
mm
M6 X 0.75
3
4.500
M8 X 0.75
3
6.000
M8 X 1.00
3
M10 X 1.00
ISO2 (6H)
DIN 374
Approx.
Series
Order
mm
Limits
1907
No.
3.400
80.000
D3/D4
80.000
D3/D4
6.000
4.900
90.000
D4/D5
3
7.000
5.500
90.000
D4/D5
M12 X 1.00
3
9.000
7.000
100.000
D4/D5
M12 X 1.50
3
9.000
7.000
100.000
D5/D6
M14 X 1.50
3
11.000
9.000
100.000
D4/D5
M16 X 1.50
4
12.000
9.000
100.000
D4/D5
M18 X 1.50
4
14.000
11.000
110.000
D4/D5
M20 X 1.50
4
16.000
12.000
125.000
D6/D7
°
°
°
°
°
°
°
°
°
°
6.004
4.900
● 53!æ3TOCK
❍ )NTERNATIONALæ3TOCKææWKS
8.004
8.005
10.005
12.005
12.007
14.007
16.007
18.007
20.007
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
75
WHITE RING
CUT TAPS
sæ4HROUGHæHOLE
æææ5.#
æææ5.&
æææ-ETRICæ
æææ-ETRICæFINE
0AGEæ
0AGEæ
0AGEæ
0AGEæ
sæ"LINDæHOLE
æææ-ETRICæ
æææ-ETRICæFINE
0AGEæ
0AGEæ
Note: Items marked as International Stock may become stocked
in USA if sufficient volume is recognized.
Recommended Tapping Speeds
Material Hardness
SFM
HRC
Brinell
Bright finish
Hard coated
--
< 180
50 - 70
70 - 100
< 25
< 250
25 - 50
40 - 85
< 35
< 320
16 - 22
25 - 35
#ASTæ)RONæANDæ!BRASIVEæ-ATERIALS
ANSI length - ANSI shank
UNC
2B
Class of Fit
Cut Taps
Through or
Blind Hole
0° Helix
Series 3937 - Cobalt, UNC, straight flute, FIREX® coated
No.
Shank dia.
2B
Overall
Length
Square Size
Approx.
Series
Order
Size
Flutes
inch
inch
inch
Limits
3937
No.
6-32
3
0.141
0.110
2.000
H3/H4
l
l
l
l
l
l
l
l
l
l
3.505
8-32
3
0.168
0.131
2.130
H3/H4
10-24
4
0.194
0.152
2.382
H3/H4
12-24
4
0.220
0.165
2.382
H3/H4
1/4-20
4
0.255
0.191
2.500
H4/H5
5/16-18
4
0.318
0.238
2.720
H4/H5
3/8-16
4
0.381
0.286
2.941
H5/H6
7/16-14
4
0.323
0.242
3.157
H5/H6
1/2-13
4
0.367
0.275
3.381
H5/H6
5/8-11
4
0.480
0.360
3.811
H5/H6
4.166
4.826
5.486
6.350
7.938
9.525
11.113
12.700
15.875
Straight Flute
Chamfer Lead
DIN length - DIN shank
C·2-3
78
Bright
Series 1979 - Cobalt, UNC, straight flute, oxide finish, DIN 371
Series 1984 - Cobalt, UNC, straight flute, oxide finish, DIN 376
2B
DIN 371
DIN 376
No.
Shank dia.
Square Size
Overall
Length
Approx.
Series
Series
Order
Size
Flutes
mm
dec.
mm
Limits
1979
1984
No.
2-56
3
2.800
2.100
45.000
H2/H3
3-48
3
2.800
2.100
50.000
H2/H3
4-40
3
3.500
2.700
56.000
H2/H3
5-40
3
3.500
2.700
56.000
H2/H3
6-32
3
4.000
3.000
56.000
H3/H4
8-32
3
4.500
3.400
63.000
H3/H4
10-24
4
6.000
4.900
70.000
H3/H4
°
°
°
°
°
°
°
°
°
°
°
12-24
4
6.000
4.900
80.000
H3/H4
1/4-20
4
7.000
5.500
80.000
H4/H5
5/16-18
4
8.000
6.200
90.000
H4/H5
3/8-16
4
9.000
7.000
100.000
H5/H6
7/16-14
4
8.000
6.200
100.000
H5/H6
1/2-13
4
9.000
7.000
110.000
H5/H6
9/16-12
4
11.000
9.000
110.000
H5/H6
5/8-11
4
12.000
9.000
110.000
H5/H6
3/4-10
5
14.000
11.000
125.000
H5/H6
7/8-9
5
18.000
14.500
140.000
H6/H7
1-8
5
18.000
14.500
160.000
H6/H7
Steam Oxide
TiN
TiCN
MolyGlide®
TiAlN
2.184
2.515
2.845
3.175
3.505
4.166
4.826
5.486
6.350
7.938
9.525
°
l
°
°
l
°
l
AlCrN
11.113
12.700
14.288
15.875
19.050
22.225
25.400
FIREX®
#ASTæ)RONæANDæ!BRASIVEæ-ATERIALS
ANSI length - ANSI shank
Series 3938 - Cobalt, UNF, straight flute, FIREX® coated
No.
Shank dia.
UNF
Overall
Length
Square Size
2B
Approx.
Series
Order
Size
Flutes
inch
inch
inch
Limits
3938
No.
6-40
3
0.141
0.110
2.000
H2/H3
8-36
3
0.168
0.131
2.130
H2/H3
10-32
4
0.194
0.152
2.382
H3/H4
l
l
l
l
l
l
l
l
l
l
3.505
12-28
4
0.220
0.165
2.382
H3/H4
1/4-28
4
0.255
0.191
2.500
H3/H4
5/16-24
4
0.318
0.238
2.720
H3/H4
4
0.381
0.286
2.941
H3/H4
4
0.323
0.242
3.157
H4/H5
1/2-20
4
0.367
0.275
3.381
H4/H5
5/8-18
4
0.480
0.360
3.811
H4/H5
4.166
4.826
5.486
6.350
7.938
Through or
Blind Hole
Cut Taps
3/8-24
7/16-20
2B
Class of Fit
9.525
11.113
12.700
0° Helix
15.875
Straight Flute
Chamfer Lead
DIN length - DIN shank
C·2-3
Series 1989 - Cobalt, UNF, straight flute, oxide finish, DIN 374
2B
DIN 374
No.
Shank dia.
Square Size
Overall
Length
Approx.
Series
Order
Size
Flutes
mm
dec.
mm
Limits
1989
No.
3-56
3
1.800
na
50.000
H2/H3
3
2.200
na
56.000
H2/H3
6-40
3
2.500
2.100
56.000
H2/H3
8-36
3
2.800
2.100
63.000
H2/H3
10-32
4
3.500
2.700
70.000
H3/H4
12-28
4
4.000
3.000
80.000
H3/H4
1/4-28
4
4.500
3.400
80.000
H3/H4
°
°
°
°
°
°
°
l
l
°
°
l
°
l
°
2.515
4-48
5/16-24
4
6.000
4.900
90.000
H3/H4
3/8-24
4
7.000
5.500
90.000
H3/H4
7/16-20
4
8.000
6.200
90.000
H4/H5
1/2-20
4
9.000
7.000
100.000
H4/H5
9/16-18
4
11.000
9.000
100.000
H4/H5
3/4-16
5
14.000
11.000
110.000
H5/H6
7/8-14
5
18.000
14.500
125.000
H6/H7
1-12
5
18.000
14.500
140.000
H6/H7
● 53!æ3TOCK
❍ )NTERNATIONALæ3TOCKææWKS
2.845
3.505
4.166
4.826
5.486
6.350
7.938
9.525
11.113
12.700
14.288
19.050
22.225
25.400
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
79
#ASTæ)RONæANDæ!BRASIVEæ-ATERIALS
ANSI length - ANSI shank
METRIC
Series 3936 - Cobalt, Metric, straight flute, FIREX® coated
ISO2 (6H)
Class of Fit
Cut Taps
Through or
Blind Hole
0° Helix
No.
Shank dia.
6HX
Overall
Length
Square Size
Approx.
Series
Order
Size
Flutes
inch
inch
inch
Limits
3936
No.
M3 X 0.50
3
0.141
0.110
1.941
D2/D3
M4 X 0.70
3
0.168
0.131
2.130
D3/D4
M5 X 0.80
4
0.194
0.152
2.382
D3/D4
M6 X 1.00
4
0.255
0.191
2.500
D4/D5
M8 X 1.25
4
0.318
0.238
2.720
D4/D5
M10 X 1.50
4
0.381
0.286
2.941
D4/D5
M12 X 1.75
4
0.367
0.275
3.381
D5/D6
M14 X 2.00
4
0.429
0.322
3.591
D5/D6
M16 X 2.00
4
0.480
0.360
3.811
D6/D7
l
l
l
l
l
l
l
l
l
3.000
4.000
5.000
6.000
8.000
10.000
12.000
14.000
16.000
Straight Flute
Chamfer Lead
DIN length - DIN shank
Series 1858 - Carbide, Metric, straight flute, bright finish, DIN 371, radial coolant through
Series 1859 - Carbide, Metric, straight flute, bright finish, DIN 376, radial coolant through
C·2-3
80
Bright
DIN 371
DIN 376
Approx.
Series
Series
Order
1859
No.
ISO2 (6HX)
No.
Shank dia.
Square Size
Overall
Length
Size
Flutes
mm
dec.
mm
Limits
1858
M5 X 0.80
4
6.000
4.900
70.000
D3/D4
M6 X 1.00
4
6.000
4.900
80.000
D4/D5
M8 X 1.25
4
8.000
6.200
90.000
D4/D5
M10 X 1.50
4
10.000
8.000
100.000
D4/D5
l
l
l
l
M12 X 1.75
4
9.000
7.000
110.000
D5/D6
M14 X 2.00
4
11.000
9.000
110.000
D5/D6
M16 X 2.00
4
12.000
9.000
110.000
D6/D7
M18 X 2.50
4
14.000
11.000
125.000
D6/D7
M20 X 2.50
4
16.000
12.000
140.000
D6/D7
Steam Oxide
TiN
TiCN
MolyGlide®
TiAlN
5.000
6.000
8.000
10.000
°
°
°
°
°
AlCrN
12.000
14.000
16.000
18.000
20.000
FIREX®
#ASTæ)RONæANDæ!BRASIVEæ-ATERIALS
DIN length - DIN shank
Series 1860 - Carbide, Metric Fine, straight flute, bright finish, DIN 374, radial coolant
No.
Shank dia.
Square Size
Overall
Length
ISO2 (6H)
DIN 374
Approx.
Series
Order
Size
Flutes
mm
dec.
mm
Limits
1860
No.
M12 X 1.50
4
9.000
7.000
100.000
D5/D6
M14 X 1.50
4
11.000
9.000
100.000
D4/D5
M16 X 1.50
4
12.000
9.000
100.000
D4/D5
°
l
°
12.007
METRIC
FINE
ISO2 (6H)
Class of Fit
14.007
16.007
Cut Taps
Through or
Blind Hole
DIN length - DIN shank
Series 1861 - Carbide, Metric Fine, straight flute, bright finish, DIN 371, radial coolant
No.
Shank dia.
Square Size
Overall
Length
ISO2 (6H)
0° Helix
DIN 371
Approx.
Series
Order
Size
Flutes
mm
dec.
mm
Limits
1861
No.
M5 X 0.50
4
6.000
4.900
70.000
D3/D4
M8 X 1.00
4
8.000
6.200
90.000
D4/D5
M10 X 1.00
4
10.000
8.000
90.000
D4/D5
l
°
l
5.003
Straight Flute
Chamfer Lead
8.005
10.005
C·2-3
● 53!æ3TOCK
❍ )NTERNATIONALæ3TOCKææWKS
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
81
#ASTæ)RONæANDæ!BRASIVEæ-ATERIALS
DIN length - DIN shank
METRIC
FINE
6HX
Class of Fit
Series 318 - Cobalt, Metric, straight flute, TiAlN coated, DIN 371, axial coolant
Series 1890 - Cobalt, Metric, straight flute, oxide finish, DIN 371, axial coolant
DIN 371
DIN 371
Approx.
Series
Series
Order
6HX
No.
Shank dia.
Square Size
Overall
Length
Size
Flutes
mm
dec.
mm
Limits
318
1890
No.
M5 X 0.80
4
6.000
4.900
70.000
D3/D4
4
6.000
4.900
80.000
D4/D5
M8 X 1.25
4
8.000
6.200
90.000
D4/D5
M10 X 1.50
4
10.000
8.000
100.000
D4/D5
l
l
l
l
l
l
l
°
5.000
M6 X 1.00
DIN 376
DIN 376
Approx.
Series
Series
6.000
8.000
10.000
Cut Taps
Blind Hole
0° Helix
DIN length - DIN shank
Series 319 - Cobalt, Metric, straight flute, TiAlN coated, DIN 376, axial coolant
Series 1897 - Cobalt, Metric, straight flute, oxide finish, DIN 376, axial coolant
Straight Flute
Chamfer Lead
No.
C·2-3
Shank dia.
Square Size
6HX
Overall
Length
Order
Size
Flutes
mm
dec.
mm
Limits
319
1897
No.
M12 X 1.75
4
9.000
7.000
110.000
D5/D6
M14 X 2.00
4
11.000
9.000
110.000
D5/D6
M16 X 2.00
4
12.000
9.000
110.000
D6/D7
M18 X 2.50
5
14.000
11.000
125.000
D6/D7
M20 X 2.50
5
16.000
12.000
140.000
D6/D7
l
l
l
l
l
l
°
°
°
°
12.000
DIN 374
DIN 374
Approx.
Series
Series
14.000
16.000
18.000
20.000
DIN length - DIN shank
Series 1904 - Cobalt, Metric Fine, straight flute, oxide finish, DIN 374, axial coolant
Series 347 - Cobalt, Metric Fine, straight flute, TiAlN coated, DIN 374, axial coolant
No.
82
Bright
Shank dia.
Square Size
Overall
Length
ISO2 (6H)
Order
Size
Flutes
mm
dec.
mm
Limits
1904
347
No.
M8 X 1.00
4
6.000
4.900
90.000
D4/D5
4
7.000
5.500
90.000
D4/D5
M12 X 1.00
4
9.000
7.000
100.000
D4/D5
M12 X 1.50
4
9.000
7.000
100.000
D5/D6
M14 X 1.50
4
11.000
9.000
100.000
D4/D5
M16 X 1.50
4
12.000
9.000
100.000
D4/D5
M18 X 1.50
5
14.000
11.000
110.000
D4/D5
M20 X 1.50
5
16.000
12.000
125.000
D6/D7
M22 X 1.50
5
18.000
14.500
125.000
D6/D7
M24 X 1.50
5
18.000
14.500
140.000
D6/D7
l
°
°
l
l
l
l
°
l
°
8.005
M10 X 1.00
°
°
°
°
l
l
°
Steam Oxide
TiN
TiCN
MolyGlide®
TiAlN
AlCrN
10.005
12.005
12.007
14.007
16.007
18.007
20.007
22.007
24.007
FIREX®
#ASTæ)RONæANDæ!BRASIVEæ-ATERIALS
DIN length - DIN shank
Series 969 - Carbide, Metric, straight flute, bright finish, DIN 371, axial coolant
Series 1883 - Carbide, Metric, straight flute, bright finish, DIN 376, axial coolant
DIN 371
DIN 376
Approx.
Series
Series
Order
1883
No.
ISO2 (6H)
Shank dia.
Square Size
Size
Flutes
mm
dec.
mm
Limits
969
*M3 X 0.50
3
3.500
2.700
56.000
D2/D3
*M4 X 0.70
3
4.500
3.400
63.000
D3/D4
M5 X 0.80
4
6.000
4.900
70.000
D3/D4
M6 X 1.00
4
6.000
4.900
80.000
D4/D5
M8 X 1.25
4
8.000
6.200
90.000
D4/D5
M10 X 1.50
4
10.000
8.000
100.000
D4/D5
°
l
l
l
l
l
M12 X 1.75
4
9.000
7.000
110.000
D5/D6
M14 X 2.00
4
11.000
9.000
110.000
D5/D6
M16 X 2.00
4
12.000
9.000
110.000
D6/D7
M18 X 2.50
4
14.000
11.000
125.000
D6/D7
M20 X 2.50
4
16.000
12.000
140.000
D6/D7
3.000
4.000
5.000
ISO2 (6H)
Class of Fit
6.000
8.000
Cut Taps
No.
Overall
Length
METRIC /
METRIC
FINE
10.000
l
l
l
°
l
12.000
14.000
Blind Hole
16.000
18.000
20.000
0° Helix
* Sizes <M5 do not have coolant ducts through the tap
Straight Flute
Chamfer Lead
DIN length - DIN shank
Series 972 - Carbide, Metric Fine, straight flute, bright finish, DIN 371, axial coolant
No.
Shank dia.
Square Size
Overall
Length
Size
Flutes
mm
dec.
*M4 X 0.50
3
4.500
M5 X 0.50
4
6.000
M8 X 1.00
4
M10 X 1.00
4
ISO2 (6H)
C·2-3
DIN 371
Approx.
Series
Order
mm
Limits
972
No.
3.400
63.000
D3/D4
70.000
D3/D4
8.000
6.200
90.000
D4/D5
10.000
8.000
90.000
D4/D5
°
°
°
°
4.003
4.900
5.003
8.005
10.005
* Sizes <M5 do not have coolant ducts through the tap
● 53!æ3TOCK
❍ )NTERNATIONALæ3TOCKææWKS
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
83
BLACK RING
CUT TAPS
sæ4HROUGHæHOLE
æææ5.#
æææ5.&
æææ-ETRICæ
æææ-ETRICæFINE
0AGEæ
0AGEæ
0AGEæ
0AGEæ
sæ"LINDæHOLE
æææ5.#
æææ5.&
æææ-ETRICæ
æææ-ETRICæFINE
0AGEæ
0AGEæ
0AGEæ
0AGEæ
Note: Items marked as International Stock may become stocked
in USA if sufficient volume is recognized.
Recommended Tapping Speeds
Material Specs
SFM
Silicon Content
(cast Al)
Brinell Hardness
(wrought Al)
< 6%
n/a
6 - 10%
> 10%
n/a
n/a
30 - 80
75-150
n/a
n/a
Bright finish
Hard coated
30 - 50
25 - 35
-50 - 65
35 - 50
50 - 75
40 - 50
25 - 35
65 - 100
50 - 65
!LUMINUMæANDæ!LUMINUMæ!LLOYS
ANSI length - ANSI shank
UNC /
UNF
Series 3925 - Cobalt, UNC, spiral point, bright finish
Series 3928 - Cobalt, UNC, spiral point, TiN coated
Series 3967 - Cobalt, UNC, spiral point, MolyGlide® coated
Cut Taps
2B
Class of Fit
Through Hole
0° Helix
Plug Tap
Chamfer Lead
2B
No.
Shank dia.
Square Size
Overall
Length
Size
Flutes
inch
inch
inch
Limits
3925
3928
3967
No.
6-32
3
0.141
0.110
2.000
H3/H4
3
0.168
0.131
2.130
H3/H4
10-24
3
0.194
0.152
2.382
H3/H4
12-24
3
0.220
0.165
2.382
H3/H4
1/4-20
3
0.255
0.191
2.500
H4/H5
5/16-18
3
0.318
0.238
2.720
H4/H5
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
3.505
8-32
Approx.
Series
Series
Series
Approx.
Series
Series
Series
Order
3/8-16
3
0.381
0.286
2.941
H5/H6
7/16-14
3
0.323
0.242
3.157
H5/H6
1/2-13
3
0.367
0.275
3.381
H5/H6
5/8-11
3
0.480
0.360
3.811
H5/H6
4.166
4.826
5.486
6.350
7.938
9.525
11.113
12.700
15.875
B · 3.5 - 5
ANSI length - ANSI shank
Series 3926 - Cobalt, UNF, spiral point, bright finish
Series 3929 - Cobalt, UNF, spiral point, TiN coated
Series 3968 - Cobalt, UNF, spiral point, MolyGlide® coated
No.
86
Bright
Shank dia.
Square Size
Overall
Length
2B
Order
Size
Flutes
inch
inch
inch
Limits
3926
3929
3968
No.
6-40
3
0.141
0.110
2.000
H2/H3
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
3.505
8-36
3
0.168
0.131
2.130
H2/H3
10-32
3
0.194
0.152
2.382
H3/H4
12-28
3
0.220
0.165
2.382
H3/H4
1/4-28
3
0.255
0.191
2.500
H3/H4
5/16-24
3
0.318
0.238
2.720
H3/H4
3/8-24
3
0.381
0.286
2.941
H3/H4
7/16-20
3
0.323
0.242
3.157
H4/H5
1/2-20
3
0.367
0.275
3.381
H4/H5
5/8-18
3
0.480
0.360
3.811
H4/H5
Steam Oxide
TiN
TiCN
MolyGlide®
TiAlN
AlCrN
4.166
4.826
5.486
6.350
7.938
9.525
11.113
12.700
15.875
FIREX®
!LUMINUMæANDæ!LUMINUMæ!LLOYS
ANSI length - ANSI shank
Series 3924 - Cobalt, Metric, spiral point, bright finish, chamfer type B
Series 3927 - Cobalt, Metric, spiral point, TiN coated, chamfer type B
Series 3966 - Cobalt, Metric, spiral point, MolyGlide® coated, chamfer type B
Shank dia.
Square Size
Overall
Length
Size
Flutes
inch
inch
M3 X 0.50
3
0.141
M4 X 0.70
3
0.168
M5 X 0.80
3
0.194
M6 X 1.00
3
ISO2 (6H)
Class of Fit
ISO2 (6H)
Approx.
Series
Series
Series
Order
inch
Limits
3924
3927
3966
No.
0.110
1.941
D2/D3
2.130
D3/D4
0.152
2.382
D3/D4
0.255
0.191
2.500
D4/D5
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
3.000
0.131
M8 X 1.25
3
0.318
0.238
2.720
D4/D5
M10 X 1.50
3
0.381
0.286
2.941
D4/D5
M12 X 1.75
3
0.367
0.275
3.381
D5/D6
M14 X 2.00
3
0.429
0.322
3.591
D5/D6
M16 X 2.00
3
0.480
0.360
3.811
D6/D7
4.000
5.000
Through Hole
6.000
8.000
10.000
Cut Taps
No.
METRIC
0° Helix
12.000
14.000
16.000
Plug Tap
Chamfer Lead
B · 3.5 - 5
DIN length - DIN shank
Series 1858 - Carbide, Metric, bright finish, DIN 371, radial coolant, chamfer type C
Series 1859 - Carbide, Metric, bright finish, DIN 376, radial coolant, chamfer type C
DIN 376
Approx.
Series
Series
Order
1859
No.
No.
Shank dia.
Square Size
Overall
Length
Size
Flutes
mm
mm
mm
Limits
1858
M5 X 0.80
4
6.000
4.900
70.000
D3/D4
M6 X 1.00
4
6.000
4.900
80.000
D4/D5
M8 X 1.25
4
8.000
6.200
90.000
D4/D5
M10 X 1.50
4
10.000
8.000
100.000
D4/D5
l
l
l
l
M12 X 1.75
4
9.000
7.000
110.000
D5/D6
M14 X 2.00
4
11.000
9.000
110.000
D5/D6
M16 X 2.00
4
12.000
9.000
110.000
D6/D7
M18 X 2.50
4
14.000
11.000
125.000
D6/D7
M20 X 2.50
4
16.000
12.000
140.000
D6/D7
● 53!æ3TOCK
❍ )NTERNATIONALæ3TOCKææWKS
C·2-3
DIN 371
ISO2 (6H)
5.000
6.000
8.000
10.000
°
°
°
°
°
12.000
14.000
16.000
18.000
20.000
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
87
!LUMINUMæANDæ!LUMINUMæ!LLOYS
DIN length - DIN shank
METRIC
FINE
Cut Taps
ISO2 (6H)
Class of Fit
Through Hole
Series 1860 - Carbide, Metric Fine, bright finish, DIN 371, radial coolant
Series 1861 - Carbide, Metric Fine, bright finish, DIN 376, radial coolant
No.
Shank dia.
Square Size
Overall
Length
DIN 371
DIN 376
Approx.
Series
Series
1860
1861
No.
l
°
l
5.003
ISO2 (6H)
Size
Flutes
mm
mm
mm
Limits
M5 X 0.80
4
6.000
4.900
70.000
D5/D6
M8 X 1.25
4
8.000
6.200
90.000
D4/D5
M10 X 1.50
4
10.000
8.000
100.000
D4/D5
M12 X 1.75
4
9.000
7.000
110.000
D3/D4
M14 X 2.00
4
11.000
9.000
110.000
D4/D5
M16 X 2.00
4
12.000
9.000
110.000
D4/D5
°
l
°
Order
8.005
10.005
12.007
14.007
16.007
0° Helix
Plug Tap
Chamfer Lead
C·2-3
88
Bright
Steam Oxide
TiN
TiCN
MolyGlide®
TiAlN
AlCrN
FIREX®
!LUMINUMæANDæ!LUMINUMæ!LLOYS
ANSI length - ANSI shank
Series 3931 - Cobalt, UNC, 45° helix, bright finish
Series 3934 - Cobalt, UNC, 45° helix, TiN coated
Series 3970 - Cobalt, UNC, 45° helix, MolyGlide® coated
Size
No.
Shank dia.
Square Size
Overall
Length
Flutes
inch
inch
inch
UNC /
UNF
2B
Approx.
Series
Series
Series
Order
Limits
3931
3934
3970
No.
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
3.505
2
0.141
0.110
2.000
H3/H4
2
0.168
0.131
2.130
H3/H4
10-24
2
0.194
0.152
2.382
H3/H4
12-24
2
0.220
0.165
2.382
H3/H4
1/4-20
2
0.255
0.191
2.500
H4/H5
5/16-18
2
0.318
0.238
2.720
H4/H5
3/8-16
2
0.381
0.286
2.941
H5/H6
7/16-14
2
0.323
0.242
3.157
H5/H6
1/2-13
2
0.367
0.275
3.381
H5/H6
5/8-11
3
0.480
0.360
3.813
H5/H6
4.166
4.826
5.486
6.350
Blind Hole
Cut Taps
6-32
8-32
2B
Class of Fit
7.938
9.525
45° Helix
11.113
12.700
15.875
Semi-bottoming
Chamfer Lead
ANSI length - ANSI shank
Series 3932 - Cobalt, UNF, 45° helix, bright finish
Series 3935 - Cobalt, UNF, 45° helix, TiN coated
Series 3971 - Cobalt, UNF, 45° helix, MolyGlide® coated
C · 2-3
2B
No.
Shank dia.
Square Size
Overall
Length
Size
Flutes
inch
inch
inch
Limits
3932
3935
3971
No.
6-40
2
0.141
0.110
2.000
H2/H3
2
0.168
0.131
2.130
H2/H3
10-32
2
0.194
0.152
2.382
H3/H4
12-28
2
0.220
0.165
2.382
H3/H4
1/4-28
2
0.255
0.191
2.500
H3/H4
5/16-24
2
0.318
0.238
2.720
H3/H4
3/8-24
2
0.381
0.286
2.941
H3/H4
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
3.505
8-36
Approx.
Series
Series
Series
Order
7/16-20
2
0.323
0.242
3.157
H4/H5
1/2-20
2
0.367
0.275
3.381
H4/H5
5/8-18
3
0.480
0.360
3.811
H4/H5
● 53!æ3TOCK
❍ )NTERNATIONALæ3TOCKææWKS
4.166
4.826
5.486
6.350
7.938
9.525
11.113
12.700
15.875
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
89
!LUMINUMæANDæ!LUMINUMæ!LLOYS
ANSI length - ANSI shank
METRIC
Series 3930 - Cobalt, Metric, 45° helix, bright finish
Series 3933 - Cobalt, Metric, 45° helix, TiN coated
Series 3969 - Cobalt, Metric, 45° helix, MolyGlide® coated
ISO2 (6H)
Class of Fit
Cut Taps
Blind Hole
45° Helix
15° Helix
Semi-bottoming
Chamfer Lead
No.
Shank dia.
ISO2 (6H)
Overall
Length
Square Size
Approx.
Series
Series
Series
Order
Size
Flutes
inch
inch
inch
Limits
3930
3933
3969
No.
M3 X 0.50
2
0.141
0.110
1.941
D2/D3
M4 X 0.70
2
0.168
0.131
2.130
D3/D4
M5 X 0.80
2
0.194
0.152
2.382
D3/D4
M6 X 1.00
2
0.255
0.191
2.500
D4/D5
M8 X 1.25
2
0.318
0.238
2.720
D4/D5
M10 X 1.50
2
0.381
0.286
2.941
D4/D5
M12 X 1.75
2
0.367
0.275
3.381
D5/D6
M14 X 2.00
3
0.429
0.322
3.591
D5/D6
M16 X 2.00
3
0.480
0.360
3.811
D6/D7
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
3.000
4.000
5.000
6.000
8.000
10.000
12.000
14.000
16.000
DIN length - DIN shank
Series 971 - Carbide, Metric, 15° helix, bright finish, DIN 371, axial coolant
C · 2-3
No.
Shank dia.
ISO2 (6H)
Overall
Length
Square Size
DIN 376
Approx.
Series
Order
Size
Flutes
mm
mm
mm
Limits
971
No.
*M3 X 0.50
3
3.500
2.700
56.000
D2/D3
*M4 X 0.70
3
4.500
3.400
63.000
D3/D4
M5 X 0.80
3
6.000
4.900
70.000
D3/D4
M6 X 1.00
3
6.000
4.900
80.000
D4/D5
M8 X 1.25
3
8.000
6.200
90.000
D4/D5
M10 X 1.50
3
10.000
8.000
100.000
D4/D5
°
°
l
l
l
l
3.000
4.000
5.000
6.000
8.000
10.000
* Sizes <M5 do not have coolant ducts through the tap
DIN length - DIN shank
Series 969 - Carbide, Metric, bright finish, DIN 371, axial coolant
Series 1883 - Carbide, Metric, bright finish, DIN 376, axial coolant
No.
Shank dia.
Square Size
Overall
Length
DIN 371
DIN 376
Approx.
Series
Series
1883
ISO2 (6H)
Size
Flutes
mm
mm
mm
Limits
969
*M3 X 0.50
3
3.500
2.700
56.000
D2/D3
°
l
l
l
l
l
*M4 X 0.70
3
4.500
3.400
63.000
D3/D4
M5 X 0.80
4
6.000
4.900
70.000
D3/D4
M6 X 1.00
4
6.000
4.900
80.000
D4/D5
M8 X 1.25
4
8.000
6.200
90.000
D4/D5
M10 X 1.50
4
10.000
8.000
100.000
D4/D5
M12 X 1.75
4
9.000
7.000
110.000
D5/D6
M14 X 2.00
4
11.000
9.000
110.000
D5/D6
M16 X 2.00
4
12.000
9.000
110.000
D6/D7
M18 X 2.50
4
14.000
11.000
125.000
D6/D7
M20 X 2.50
4
16.000
12.000
140.000
D6/D7
Order
No.
3.000
4.000
5.000
6.000
8.000
10.000
l
l
l
°
l
12.000
14.000
16.000
18.000
20.000
* Sizes <M5 do not have coolant ducts through the tap
90
Bright
Steam Oxide
TiN
TiCN
MolyGlide®
TiAlN
AlCrN
FIREX®
!LUMINUMæANDæ!LUMINUMæ!LLOYS
DIN length - DIN shank
Series 978 - Carbide, Metric Fine, 15° helix, bright finish, DIN 374, axial coolant
No.
Shank dia.
Square Size
Overall
Length
Size
Flutes
mm
mm
M12 X 1.50
3
9.000
M14 X 1.50
3
M18 X 1.50
4
ISO2 (6H)
DIN 374
Approx.
Series
Order
mm
Limits
978
No.
7.000
100.000
D5/D6
12.007
11.000
9.000
100.000
D4/D5
14.000
11.000
110.000
D4/D5
°
°
°
METRIC
FINE
ISO2 (6H)
Class of Fit
14.007
18.007
DIN length - DIN shank
15° Helix
0° Helix
Series 972 - Carbide, Metric Fine, straight flute, bright finish, DIN 371, axial coolant
No.
Shank dia.
Square Size
Overall
Length
Size
Flutes
mm
mm
*M4 X 0.50
3
4.500
M5 X 0.50
4
6.000
M8 X 1.00
4
M10 X 1.00
3
ISO2 (6H)
Cut Taps
Blind Hole
DIN 371
Approx.
Series
Order
mm
Limits
972
No.
3.400
63.000
D3/D4
70.000
D3/D4
8.000
6.200
90.000
D4/D5
10.000
8.000
90.000
D4/D5
°
°
°
°
4.003
4.900
Semi-bottoming
Chamfer Lead
5.003
8.005
10.005
* Sizes <M5 do not have coolant ducts through the tap
C · 2-3
DIN length - DIN shank
C · 2-3
Series 977 - Carbide, Metric Fine, 15° helix, bright finish, DIN 371, axial coolant
No.
Shank dia.
Square Size
Overall
Length
ISO2 (6H)
DIN 371
Approx.
Series
Order
Size
Flutes
mm
mm
mm
Limits
977
No.
*M4 X 0.50
3
4.500
3.400
63.000
D3/D4
M5 X 0.50
3
6.000
4.900
70.00
D3/D4
M6 X 0.50
3
6.000
4.900
80.000
D3/D4
M8 X 1.00
3
8.000
6.200
90.000
D4/D5
M10 X 1.00
3
10.000
8.000
90.000
D4/D5
°
°
°
°
°
4.003
5.003
6.003
8.005
10.005
* Sizes <M5 do not have coolant ducts through the tap
● 53!æ3TOCK
❍ )NTERNATIONALæ3TOCKææWKS
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
91
TI / NI
CUT TAPS
sæ4HROUGHæHOLE
æææ5.#
æææ5.&
æææ-ETRICæ
æææ-ETRICæFINE
0AGEæ
0AGEæ
0AGEæ
0AGEæ
sæ"LINDæHOLE
æææ5.#
æææ5.&
æææ-ETRICæ
æææ-ETRICæFINE
0AGEæ
0AGEæ
0AGEæ
0AGEæ
Note: Items marked as International Stock may become stocked
in USA if sufficient volume is recognized.
Recommended Tapping Speeds
Material Hardness
HRC
Ti / Ti Alloys
--
SFM
Brinell
Bright finish
Hard coated
140 - 275
12 - 25
-Ni Alloys
--
300 - 380
6 - 12
as conditions
permit
200 - 300
6 - 12
--
> 300
3-6
as conditions
permit
4ITANIUMæ4Iæ!LLOYSæANDæ.ICKELæ.Iæ!LLOYS
DIN length - DIN shank
UNC /
UNF
Cut Taps
2BX
Class of Fit
Through Hole
0° Helix
Series 2905‡ - PM cobalt, UNC, spiral point, TiCN coated, DIN 371, 2B class of fit, for Titanium
Series 2918 - PM cobalt, UNC, spiral point, TiAlN coated, DIN 371, 3B class of fit, for Nickel
2B
DIN 371
3B
DIN 371
No.
Shank dia.
Square Size
Overall
Length
Approx.
Ti
Series
Approx.
Ni
Series
Order
Size
Flutes
mm
mm
mm
Limits
2905
Limits
2918
No.
6-32
3
4.000
3.000
56.000
H3/H4
4.500
3.400
63.000
H3/H4
10-24
3
6.000
4.900
70.000
H3/H4
12-24
3
6.000
4.900
80.000
H3/H4
1/4-20
3
7.000
5.500
80.000
H4/H5
l
l
l
l
l
l
l
3.505
3
l
l
l
l
l
l
l
H2
8-32
5/16-18
4
8.000
6.200
90.000
H4/H5
3/8-16
4
9.000
7.000
100.000
H5/H6
H2
H3
H3
H3
H3
H3
4.166
4.826
5.486
6.350
7.938
9.525
‡ Series 2905 replaces series 2904, due to a design change. Series 2904 inventory will be available while supplies last.
Plug Tap
Chamfer Lead
DIN length - DIN shank
Series 2907‡ - PM cobalt, UNF, spiral point, TiCN coated, DIN 371, 2B class of fit, for Titanium
Series 2919 - PM cobalt, UNF, spiral point, TiAlN coated, DIN 371, 3B class of fit, for Nickel
B · 3.5 - 5
No.
Shank dia.
Square Size
Overall
Length
2B
DIN 371
DIN 371
3B
Approx.
Ti
Series
Approx.
Ni
Series
Order
Size
Flutes
mm
mm
mm
Limits
2907
Limits
2919
No.
6-40
3
4.000
3.000
56.000
H2/H3
3
4.500
3.400
63.000
H2/H3
10-32
3
6.000
4.900
70.000
H3/H4
12-28
3
6.000
4.900
80.000
H3/H4
1/4-28
3
7.000
5.500
80.000
H3/H4
5/16-24
4
8.000
6.200
90.000
H3/H4
3/8-24
4
9.000
8.000
90.000
H3/H4
l
l
l
l
l
l
l
3.505
8-36
l
l
l
l
l
l
l
H2
H2
H2
H3
H3
H3
H3
4.166
4.826
5.486
6.350
7.938
9.525
‡ Series 2907 replaces series 2906, due to a design change. Series 2906 inventory will be available while supplies last.
94
Bright
Steam Oxide
TiN
TiCN
MolyGlide®
TiAlN
AlCrN
FIREX
4ITANIUMæ4Iæ!LLOYSæANDæ.ICKELæ.Iæ!LLOYS
DIN length - DIN shank
Series 2901‡ - PM cobalt, Metric, spiral point, TiCN coated, DIN 371, for Titanium
Series 2916 - PM cobalt, Metric, spiral point, TiAlN coated, DIN 371, for Nickel
DIN 371
DIN 371
Approx.
Ti
Series
Ni
Series
Order
ISO2 (6H)
No.
Shank dia.
Square Size
Overall
Length
Size
Flutes
mm
mm
mm
Limits
2901
2916
No.
M3 X 0.50
3
2.800
2.700
56.000
D2/D3
3
4.500
3.400
63.000
D3/D4
M5 X 0.80
3
6.000
4.900
70.000
D3/D4
M6 X 1.00
3
6.000
4.900
80.000
D4/D5
M8 X 1.25
3
8.000
6.200
90.000
D4/D5
M10 X 1.50
3
10.000
8.000
100.000
D4/D5
l
°
°
l
l
°
°
°
l
°
l
l
l
°
°
°
3.000
M4 X 0.70
4
9.000
7.000
110.000
D5/D6
M16 X 2.0
4
12.000
9.000
110.000
D6/D7
6HX
Class of Fit
5.000
6.000
8.000
10.000
12.000
16.000
Through Hole
‡ Series 2901 replaces series 2900, due to a design change. Series 2900 inventory will be available while supplies last.
0° Helix
Plug Tap
Chamfer Lead
DIN length - DIN shank
Series 2903‡ - PM cobalt, Metric Fine, spiral point, TiCN coated, DIN 371, for Titanium
Series 2917 - PM cobalt, Metric Fine, spiral point, TiAlN coated, DIN 371, for Nickel
No.
Shank dia.
Square Size
Overall
Length
DIN 371
DIN 371
Approx.
Ti
Series
Ni
Series
ISO2 (6H)
Order
Size
Flutes
mm
mm
mm
Limits
2903
2917
No.
M3 X 0.35
3
3.500
2.700
56.000
D2/D3
M4 X 0.50
3
4.500
3.400
63.000
D3/D4
M5 X 0.50
3
6.000
4.900
70.000
D3/D4
M6 X 0.50
3
6.000
4.900
80.000
D3/D4
M6 X 0.75
3
6.000
4.900
80.000
D3/D4
°
°
°
°
l
M8 X 0.50
3
8.000
6.200
80.000
D3/D4
M8 X 0.75
3
8.000
6.200
80.000
D3/D4
M8 X 1.00
3
8.000
6.200
90.000
D4/D5
M10 X 1.00
3
10.000
8.000
90.000
D4/D5
M10 X 1.25
3
10.000
8.000
100.000
D4/D5
°
°
°
°
°
°
°
°
°
l
3.002
°
°
°
B · 3.5 - 5
4.003
5.003
6.003
6.004
8.003
8.004
8.005
10.005
10.006
‡ Series 2903 replaces series 2902, due to a design change. Series 2902 inventory will be available while supplies last.
● 53!æ3TOCK
❍ )NTERNATIONALæ3TOCKææWKS
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
95
Cut Taps
M12 X 1.75
4.000
METRIC /
METRIC
FINE
4ITANIUMæ4Iæ!LLOYSæANDæ.ICKELæ.Iæ!LLOYS
UNC /
UNF
DIN length - DIN shank
Series 2912 - PM cobalt, UNC, 15° helix, TiCN coated, DIN 371, 2B class of fit, for Titanium
Series 2922 - PM cobalt, UNC, 10° helix, TiAlN coated, DIN 371, 3B class of fit, for Nickel
Cut Taps
2BX
Class of Fit
Blind Hole
15° / 10° Helix
Semi-bottoming
Chamfer Lead
2B
DIN 371
3B
DIN 371
No.
Shank dia.
Square Size
Overall
Length
Approx.
Ti
Series
Approx.
Ni
Series
Order
Size
Flutes
mm
mm
mm
Limits
2912
Limits
2922
No.
4-40
3
3.500
2.700
56.000
H2/H3
3.500
2.700
56.000
H2/H3
6-32
3
4.000
3.000
56.000
H3/H4
8-32
3
4.500
3.400
63.000
H3/H4
10-24
3
6.000
4.900
70.000
H3/H4
12-24
3
6.000
4.900
80.000
H3/H4
1/4-20
3
7.000
5.500
80.000
H4/H5
l
l
l
l
l
l
l
l
l
l
l
l
2.845
3
l
l
l
l
l
l
l
l
l
l
l
l
H2
5-40
5/16-18
3
8.000
6.200
90.000
H4/H5
3/8-16
4
10.000
8.000
100.000
H5/H6
7/16-14*
4
8.000
6.200
100.000
H5/H6
1/2-13*
4
9.000
7.000
110.000
H5/H6
5/8-11*
4
12.000
9.000
110.000
H5/H6
H2
H2
H2
H3
H3
H3
H3
H3
H3
H3
H3
3.175
3.505
4.166
4.826
5.486
6.350
7.938
9.525
11.113
12.700
15.875
C · 2-3
DIN length - DIN shank
Series 2914 - PM cobalt, UNF, 15° helix, TiCN coated, DIN 371, 2B class of fit, for Titanium
Series 2923 - PM cobalt, UNF, 10° helix,TiAlN coated, DIN 371, 3B class of fit, for Nickel
2B
DIN 371
3B
DIN 371
No.
Shank dia.
Square Size
Overall
Length
Size
Flutes
mm
mm
mm
Limits
2914
Limits
2923
No.
4-48
3
0.138
0.106
2.205
H2/H3
0.138
0.106
2.205
H2/H3
6-40
3
4.000
3.000
56.000
H2/H3
8-36
3
4.500
3.400
63.000
H2/H3
10-32
3
6.000
4.900
70.000
H3/H4
l
l
l
l
l
l
l
l
l
l
l
l
2.845
3
l
l
l
l
l
l
l
l
l
l
l
l
H1
5-44
Approx.
Ti
Series
Approx.
Ni
Series
Order
12-28
3
6.000
4.900
80.000
H3/H4
1/4-28
3
7.000
5.500
80.000
H3/H4
5/16-24
3
8.000
6.200
90.000
H3/H4
3/8-24
4
10.000
8.000
90.000
H3/H4
7/16-20*
4
8.000
6.200
100.000
H4/H5
1/2-20*
4
9.000
7.000
110.000
H4/H5
5/8-18*
4
12.000
9.000
110.000
H4/H5
H1
H2
H2
H2
H3
H3
H3
H3
H3
H3
H3
3.175
3.505
4.166
4.826
5.486
6.350
7.938
9.525
11.113
12.700
15.875
*Denotes sizes manufactured to DIN 376 standards.
96
Bright
Steam Oxide
TiN
TiCN
MolyGlide®
TiAlN
AlCrN
FIREX®
4ITANIUMæ4Iæ!LLOYSæANDæ.ICKELæ.Iæ!LLOYS
DIN length - DIN shank
Series 2909‡ - PM cobalt, Metric, 15° helix, TiCN coated, DIN 371, for Titanium
Series 2920 - PM cobalt, Metric, 10° helix, TiAlN coated, DIN 371, for Nickel
No.
Shank dia.
Square Size
Overall
Length
DIN 371
DIN 371
Approx.
Ti
Series
Ni
Series
ISO2 (6H)
Order
Size
Flutes
mm
mm
mm
Limits
2909
2920
No.
M3 X 0.50
3
3.500
2.700
56.000
D2/D3
3
4.500
3.400
63.000
D3/D4
M5 X 0.80
3
6.000
4.900
70.000
D3/D4
M6 X 1.00
3
6.000
4.900
80.000
D4/D5
M8 X 1.25
3
8.000
6.200
90.000
D4/D5
M10 X 1.50
3
10.000
8.000
100.000
D4/D5
l
l
l
l
l
l
°
°
3.000
M4 X 0.70
°
°
°
l
°
°
°
°
4
9.000
7.000
110.000
D5/D6
M16 X 2.0
4
12.000
9.000
110.000
D6/D7
5.000
6HX
Class of Fit
6.000
8.000
Cut Taps
M12 X 1.75
4.000
METRIC /
METRIC
FINE
10.000
12.000
16.000
Blind Hole
‡ Series 2909 replaces series 2908, due to a design change. Series 2908 inventory will be available while supplies last.
15° / 10° Helix
Semi-bottoming
Chamfer Lead
DIN length - DIN shank
Series 2910 - PM cobalt, Metric Fine, 15° helix, TiCN coated, DIN 371, for Titanium
Series 2921 - PM cobalt, Metric Fine, 10° helix, TiAlN coated, DIN 371, for Nickel
DIN 371
DIN 371
Approx.
Ti
Series
Ni
Series
Order
ISO2 (6H)
C · 2-3
No.
Shank dia.
Square Size
Overall
Length
Size
Flutes
mm
mm
mm
Limits
2910
2921
No.
M3 X 0.35
3
3.500
2.700
56.000
D2/D3
3
4.500
3.400
63.000
D3/D4
M5 X 0.50
3
6.000
4.900
70.000
D3/D4
M6 X 0.50
3
6.000
4.900
80.000
D3/D4
M6 X 0.75
3
6.000
4.900
80.000
D3/D4
°
°
°
°
°
M8 X 0.50
3
8.000
6.200
80.000
D3/D4
M8 X 0.75
3
8.000
6.200
80.000
D3/D4
M8 X 1.00
3
8.000
6.200
90.000
D4/D5
M10 X 1.00
3
10.000
8.000
90.000
D4/D5
M10 X 1.25
3
10.000
8.000
100.000
D4/D5
l
l
l
l
l
l
l
l
l
l
3.002
M4 X 0.50
● 53!æ3TOCK
❍ )NTERNATIONALæ3TOCKææWKS
°
°
°
4.003
5.003
6.003
6.004
8.003
8.004
8.005
10.005
10.006
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
97
98
General
Purpose
Alloyed & Unalloyed
Steels
Stainless
Steels
High Tensile,
Tool Steels
Cast Iron
Aluminum
and Alloys
Titanium
or Nickel
Form Taps
General
Purpose
Alloyed & Unalloyed
Steels
Stainless
Steels
High Tensile,
Tool Steels
Cast Iron
Aluminum
and Alloys
Titanium
or Nickel
99
Form Taps
Fluteless taps and thread forming
&LUTELESSæTAPSæAREæUSEDæFORæTHEæFORMINGæOFæINTERNALæTHREADSæ
WITHOUTæ CHIPæ REMOVALæ )Næ CONTRASTæ TOæ CONVENTIONALæ TAPPINGæ
WHEREæ MATERIALæ ISæ CUTæ FROMæ THEæ WORKPIECEæ THREADæ FORMINGæ
ISæAæPRESSUREæDEFORMATIONæPROCESSæWITHOUTæCHIPæREMOVALæFORæ
THEæPRODUCTIONæOFæINTERNALæTHREADSæ$URINGæTHEæPROCESSæTHEæ
MATERIALæISæCOLDæFORMEDæWITHOUTæINTERRUPTINGæTHEæGRAINæFLOW
æ
!CCORDINGæ TOæ $).æ æ THREADæ FORMINGæ ISæ DESCRIBEDæ ASæ
hPRESSINGæTHEæTHREADæINTOæTHEæWORKPIECEæWITHæAæTOOLæPOSSESSINGæ
Aæ SPIRALæ WORKINGæ AREAvæ æ 4HEæ SPIRALæ THREADEDæ POLYGONALæ
PORTIONæOFæTHEæFLUTELESSæTAPæISæhSCREWEDvæINTOæTHEæPREDRILLEDæ
WORKPIECEæWITHæANæAPPROPRIATEæCONSTANTæFEEDæRATEæEQUALæTOæ
THEæTHREADæPITCHæ4HEæTHREADæPROFILEæISæPRESSEDæGRADUALLYæVIAæ
THEæ FORMINGæ LEADæ INTOæ THEæ MATERIALæ OFæ THEæ WORKPIECEæ SOæ TOæ
SPEAKæ3UBSEQUENTLYæTHEæPRESSUREæINæTHEæDEFORMATIONæZONEæ
EXCEEDSæ THEæ COMPRESSIONæ LIMITæ THEæ WORKPIECEæ BECOMESæ
DUCTILEæANDæISæDEFORMEDæ4HEæMATERIALæYIELDSæRADIALLYæhFLOWSvæ
ALONGæTHEæTHREADæPROFILEæINæTHEæUNOCCUPIEDæBASEæOFæTHEæTOOLæ
ANDæ FORMSæ THEæ MINORæ DIAMETERæ OFæ THEæ NUTæ THREADæ4HEæ FLOWæ
PROCESSæCREATESæTHEæPROCESSæSPECIFICæFORMæPOCKETSæCLAWSæ
æ
4HEæTAPPINGæSIZEæHOLEæDIAMETERæISæHEAVILYæDEPENDENTæONæTHEæ
FORMABILITYæ OFæ THEæ MATERIALæ THEæ WORKPIECEæ GEOMETRYæ ANDæ
THEæ REQUIREDæ EFFECTIVEæ DEPTHæ OFæ THEæ THREADæ )Næ COMPARISONæ
TOæCONVENTIONALæTAPPINGæAæLARGERæDIAMETERæTAPPINGæSIZEæHOLEæ
SHOULDæBEæSELECTEDæ7ITHæAæLARGERæDIAMETERæTAPPINGæSIZEæHOLEæ
THEæLOADæONæTHEæTOOLæISæREDUCEDæWHILEæINCREASINGæTHEæTOOLæLIFEæ
4HANKSæTOæTHEæUNINTERRUPTEDæGRAINæFLOWæTHEæLOADINGæCAPACITYæ
OFæTHEæTHREADæREMAINSæSUFFICIENTæWITHæAææEFFECTIVEæTHREADæ
DEPTH
æ
4HEæ PARTIALLYæ FORMEDæ CRESTSæ OFæ THEæ THREADæ WITHæ DECREASINGæ
EFFECTIVEæTHREADæDEPTHæAREæAæTYPICALæCHARACTERISTICæOFæTHREADSæ
PRODUCEDæ BYæ THEæ THREADæ FORMINGæ PROCESSæ7ITHæ THEæ FLANKSæ
OFæ THEæ THREADæ FULLYæ FORMEDæ THEYæ HAVEæ NOæ INFLUENCEæ ONæ THEæ
0ROCESSæ
4HEæPRODUCTIONæOFæINTERNALæTHREADSæWITHOUTæCHIPæREMOVALæ
THREADæFORMINGæINæCOMPARISONæTOæCONVENTIONALæTAPPING
&LUTELESSæTAP
TENSILEæ STRENGTHæ OFæ THEæ THREADæ )Fæ NECESSARYæ THEæ REQUIREDæ
DEFORMATIONæLEVELæOFæTHEæTHREADæSHOULDæBEæDETERMINDEDææBYæ
PERFORMINGæAæTEST
æ
,UBRICATIONæ ISæ OFæ SIGNIFICANTæ IMPORTANCEæ 4HEæ LUBRICATIONæ
PREVENTSæ MATERIALæ FROMæ BUILDINGæ UPæ ONæ THEæ THREADæ FLANKSæ
ANDæ ENSURESæ THATæ THEæ NECESSARYæ TORQUEæ FORæ THEæ FORMINGæ
PROCESSæISæNOTæTOOæHIGHæ4HEREFOREæUNDERæNOæCIRCUMSTANCESæ
SHOULDæ THEREæ EVERæ BEæ Aæ BREAKDOWNæ INæ LUBRICATIONæ
0REFERENCEæ SHOULDæ BEæ GIVENæ TOæ LUBRICANTSæ SUCHæ ASæ COOLINGæ
AGENTSæ OFæ OILSæ CONTAININGæ GRAPHITEæ SUCHæ ASæ THOSEæ USEDæ
INæ ROLLINGæ PROCESSESæ !LWAYSæ FOLLOWæ THEæ RULEæ h4HEæ BETTERæ
THEæ LUBRICATIONæ THEæ EASIERæ THEæ THREADæ FORMINGæ PROCESSvæ
)TæOFFERSæTHEæFOLLOWINGæADVANTAGES
sæNOæCHIPæFORMATION
sæONEæTOOLæFORæTHEæPRODUCTIONæOFæTHREADSæINæTHROUGHæANDæBLINDæ
HOLES
sæAPPLICATIONæINæWIDEæRANGEæOFæMATERIALS
sæNOæCUTTINGæERRORS
sæPITCHæANDæANGLEæOFæTHREADæERRORSæTHATæCANæOCCURæWITHæTHREADæ
CUTTINGæAREæELIMINATED
sæ INTERNALæ THREADSæ PRODUCEDæ BYæ THREADæ FORMINGæ POSSESSæ Aæ
HIGHERæ TENSILEæ STRENGTHæ PARTICULARLYæ ATæ THEæ THREADæ FLANKSæ
THANKSæTOæTHEæSOCALLEDæhUNINTERRUPTEDæGRAINæFLOWvæANDæTHEæ
COLDæFORMINGæPROCESS
sæTHEæSURFACEæOFæTHEæTHREADæISæIMPROVED
sæFLUTELESSæTAPSæCANæBEæAPPLIEDæATæHIGHERæSPEEDSæBECAUSEæTHEæ
FORMABILITYæOFæMANYæMATERIALSæINCREASESæWITHæTHEæFORMINGæ
SPEEDæ4HISæ DOESæ NOTæ HAVEæ Aæ NEGATIVEæ EFFECTæ ONæ THEæ TOOLæ
LIFE
sæREDUCEDæDANGERæOFæBREAKAGEæTHROUGHæRIGIDæDESIGN
&LOWæCHARACTERISTICSæOFæTHEæMATERIALæDURINGæTHREADæFORMINGæAND
THEæDEFORMATIONæPROCESS
$æ æNOMŒ
$æ æFLANKŒ
$Kæ æHOLEŒ
(æ æPROFILEæHEIGHT
0æ æPITCH
!æ æFORMæPOCKETæCLAW
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PRESSUREæPOINTS
FLUTES
FLUTELESSæTAP
P
D2
OILæGROOVES
Dk
FORMEDæ
THREAD
FORMINGæLEAD
CUTæ
THREAD
CHAMFERæ
EAD
D
FORMINGæLEAD
100
A
H
WORKPIECE
'UHRINGSæNEWæFLUTELESSæTAPSææ#HARACTERISTICSæANDæADVANTAGES
#ROSSæSECTIONæOFæFLUTELESSæTAP
&ORæ THEæ USERæ Aæ LONGERæ TOOLæ LIFEæ ANDæ
INCREASEDæ CUTTINGæ SPEEDSæ AREæ THEæ
BENEFITSæ OFæ THISæ SPECIALæ PROCESSæ 4HEæ
TOOLæLIFEæCANæBEæINCREASEDæCONSIDERABLYæ
DEPENDINGæ ONæ THEæ MATERIALæ TOæ BEæ
MACHINEDæ ANDæ THEæ APPLICATIONæ CONDI
TIONSæ!ææINCREASEæINæTOOLæLIFEæISæNOTæ
UNUSUAL
æ
4HEæ IMPROVEDæ SURFACEæ TOPOGRAPHYæ
ISæ NOTæ ONLYæ OFæ BENEFITæ TOæ TOOLSæ WITHæ
BRIGHTæ FINISHæ 0ARTICULARLYæ COATEDæ TOOLSæ
ALSOæ BENEFITæ FROMæ THEæ NEWæ PROCESSæ
/UTERæ CONTOURæ ANDæ FORMINGæ LEADæ
GREATLYæ DETERMINEæ THEæ PERFORMANCEæ
OFæ THEæ FLUTELESSæ TAPæ .UMEROUSæ TESTSæ
HAVEæ SHOWNæ THATæ FLUTELESSæ TAPSæ WITHæ
OPTIMALæ PRESSUREæ POINTæ GEOMETRYæ ANDæ
QUANTITYæACHIEVEæINCREASEDæTOOLæLIFEæANDæ
DIMENSIONALæACCURACYæ
æ
&URTHERæ IMPROVEMENTSæ INæ QUALITYæ AREæ
ACHIEVEDæ WHENæ THEæ FLUTELESSæ TAPæ ISæ
PRODUCEDæ COMPLETELYæ INæ ONEæ SETTINGæ
ANDæ WITHæ ONEæ GRINDINGæ WHEELæ æ SETUPæ
WITHæAæSPECIALæROLLæ0ITCHæERRORSæBETWEENæ
THEæ THREADæ CRESTSæ ANDæ FORMERæ LEADæ
TRANSITIONæAREAæDOæNOTæOCCURæASæWITHæTHEæ
CONVENTIONALæGRINDINGæPROCESSæ
Form Taps
#ONVENTIONALæ FLUTELESSæ TAPSæ PRODUCEDæ
BYæAæGRINDINGæPROCESSæONLYæSHOWæTRACESæ
OFæ MICROSCOPICæ VERYæ FINEæ GRINDINGæ
MARKSæ ONæ THEæ SURFACEæ OFæ THEæ TOOLæ4HISæ
ALSOæAPPLIESæTOæTHEæTHREADEDæPORTIONæOFæ
THEæTOOLæREQUIREDæTOæPERFORMæTHEæTHREADæ
FORMINGæOPERATIONæ
æ
4HISæ SURFACEæ TOPOGRAPHYæ STRUCTUREæ
HASæ Aæ NEGATIVEæ EFFECTæ ONæ THEæ FRICTIONæ
BETWEENæTHEæTOOLæANDæTHEæMATERIALæTOæBEæ
REFORMEDæ ASæ WELLæ ASæ ONæ THEæ HEREWITHæ
ASSOCIATEDæ HEATæ DEVELOPMENTæ ONæ THEæ
NECESSARYæTORQUEæANDæLASTæBUTæNOTæLEASTæ
ONæ THEæ WEARæ OFæ THEæ PRESSUREæ POINTSæ
OFæ THEæ FLUTELESSæ TAPæ )Næ ADDITIONæ THEæ
hGRINDINGæMARKSvæENCOURAGEæTHEæBUILD
UPæ OFæ THEæ MATERIALæ TOæ BEæ REFORMEDæ INæ
THEæ THREADæ FLANKSæ OFæ THEæ FLUTELESSæ TAPæ
4HISæISæALSOæCALLEDæCOLDæWELDING
æ
4HANKSæTOæAæSPECIALæPROCESSæTOæIMPROVEæ
THEæ SURFACEæ TOPOGRAPHYæ STRUCTUREæ
'UHRINGSæNEWæ0ROFILEæFLUTELESSæTAPSæNOæ
LONGERæPOSSESSæTHESEæhGRINDINGæMARKSvæ
4HISæ HASæ BEENæ CONFIRMEDæ INæ RESEARCHæ
ANDæTOOLæLIFEæSTUDIESæINæVARYINGæMATERIALSæ
UNDERæPRODUCTIONæCONDITIONS
æ
æ
æ
æ
æ
3URFACEæOFæAæCONVENTIONALæ
FLUTELESSæTAP
/PTIMISEDæSURFACEæOFæAæ'UHRINGæ0ROFILEæ
FLUTELESSæTAP
4HEæPRINCIPLE
4YPESæOFæTAPPINGæSIZEæHOLE
æ
WITHæFLUTELESSæTAPSæWITHOUTæOILæGROOVESæ
FORæTHREADæDEPTHæéææXæ$
X
DETAILæX
$ææFLANKæDIAMETER
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æFORæTHREADæDEPTHæêææXæ$
WITHæFLUTELESSæTAPSæWITHæOILæGROOVESæ
FORæALLæTHREADæDEPTHS
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TAPPINGæ
SIZEæHOLEŒ
NOMŒ
101
Definitions, angles, centers, thread tolerances and fits
Thread portion
CHAMFERææ
LEADæLENGTH
OILæGROOVES
æ
SHANKæDIA
GUIDEæ
SECTION
LENGTHæOFæDRIVINGæ
SQUARE
DRIVINGæ
SQUARE
WITHOUTæOILæGROOVES
THREADæ
LENGTH
FLUTEææ
LENGTH
WITHæOILæGROOVES
OVERALLæLENGTH
4YPESæOFæCENTRESæSTANDARDæTOæ$).æ$).æ
SOLIDæCONE 1
4 SOLIDæCONE
ONæCUTTINGæ
SECTION
STEPPEDæCONE 2
ONæ
SHANK
5 CHAMFER
INTERNALæCENTERæ
FORMæ!æORæ2æTOæ$).ææ 3
ACCæTOæMANUFACTæSPECIFICATION
Form Taps
INTERNALæCENTERæ
6 FORMæ!æORæ2æTOæ$).ææ
ACCæTOæMANUFACTæSPECIFICATION
#ENTERæONæCUTTINGæSECTION
æ
4HREADæDIAæRANGEæ
MM
WITHæCHAMFERæFORMSææ
!æ#æ$æ%
WITHæCHAMFERæFORMæ
"
#ENTERæONæSHANKæ
➀
➀➁➂
➂
➀
➀➁➂
➂
➃➄➅
➃➄➅
➅
éæ
ææxæ
æ
Thread tolerances and fits
&ITSæBETWEENæINTERNALæANDæEXTERNALæTHREADSæAREæSEPARATEDæBYæ
Aæ DIAGONALæ STROKEæ ASæ FORæ EXAMPLEæ (Gæ INTERNALEXTERNALæ
THREADæ4HEæ FITæ HASæ TOæ BEæ SELECTEDæ INæ CONJUNCTIONæ WITHæ THEæ
APPROPRIATEæTHREADæCONNECTION
4HEæTOLERANCEæZONESæOFæTHEæTOLERANCEæCLASSESæFINEæMEDIUMæ
ANDæCOARSEæAREæALLOCATEDæTOæTHREEæSCREWINæLENGTHSæSHORTæ3æ
NORMALæ.æANDæLONGæ,æ'ENERALLYæTHEæFOLLOWINGæRULESæAPPLYæ
FORæSELECTINGæAæTOLERANCEæCLASS
-EDIUMæTOLERANCEæZONEæ.
'ENERALæAPPLICATION
#OARSEæTOLERANCEæZONEæ,
4HEREæ AREæ NOæ SPECIALæ PRECISIONæ REQUIREMENTSæ ANDæ INæ CASESæ
WHEREæ PRODUCTIONæ DIFFICULTIESæ MAYæ OCCURæ EGæ THREADæ PRO
DUCTIONæINæHOTROLLEDæRODSæDEEPæBLINDæHOLESæORæPLASTICæCOM
PONENTS
&INEæTOLERANCEæZONEæ3
&ORæPRECISIONæTHREADSæWHENæONLYæAæSMALLæVARIATIONæINæTHEæFITæ
ISæPERMITTED
3CREWINæLENGTHS
4HEæ QUALITYæ OFæ THREADæ CONNECTIONæ ISæ ALSOæ AFFECTEDæ BYæ THEæ 4HEæ FOLLOWINGæ FITæ SHOULDæ BEæ SELECTEDæ FORæ NORMALæ SCREWINæ
SCREWINæLENGTHæ4HEæ)3/æTOLERANCEæSYSTEMæWASæESPECIALLYæASæ LENGTHæ.
REGARDSæTHEæPITCHæDIAMETERæDIVIDEDæINTOæTHREEæGROUPSæIE
4OæENSUREæAæTIGHTERæFITæOFæTHREADæCONNECTIONSæWEæRECOMMENDæ
FORæSHORTæSCREWINæLENGTHSæAæNARROWERæFITæ
3æ 3HORTæ
.æ .ORMALæ
,æ ,ONGæ
102
æSHORTæSCREWINæLENGTHæ
æNORMALæSCREWINæLENGTHæ
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4HREADæFITæWITHæVARYINGæFLANKæCLEARANCE
$IAMETERæ$æ
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THREAD
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THREAD
EXTERNALæ
THREAD
EXTERNALæ
THREAD
#OARSEæTHREADæFITæWITHæWIDEæFLANKæCLEARANCEæ'GæORæ'EFITæINæEXTERNALææ
ANDæINTERNALæTHREAD
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$IAMETERæ$æ
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OFæSYMBOLS
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$æ
æ æMAJORæDIAMETERæOFæINTERNALæTHREAD
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æ æNOMINALæDIAMETERæOFæTAPPINGæSIZEæHOLE
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æ æEFFECTIVEæDIAMETERæOFæINTERNALæTHREAD
Dæ
æ æMAJORæDIAMETERæOFæEXTERNALæTHREAD
Dæ
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Dæ
æ æROOTæDIAMETERæOFæEXTERNALæTHREAD
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æ æPITCH
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(æ
æ æPEAKæTOæVALLEYæHEIGHTæOFæTHREADæPROFILE
!Oæ
æ æPOSITIVEæTOLERANCE
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æ æNEGATIVEæTOLERANCE
Form Taps
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OFæEXTERNALæTHREAD
4APPINGæSIZEæHOLEæDIAMETER
7ITHæ FLUTELESSæ TAPPINGæ THEæ TAPPINGæ SIZEæ HOLEæ DIAMETERæ IN LEADæTOæTOOLæBREAKAGEæ!æTOOæLARGEæTAPPINGæSIZEæHOLEæISæACCEP
FLUENCESæTHEæDISTINCTIONæOFæTHEæFORMEDæTHREADææ!æTOOæSMALLæ TABLEæWITHæCERTAINæTOLERANCESæBECAUSEæFORMEDæTHREADSæHAVEæAæ
TAPPINGæSIZEæHOLEæDIAMETERæRESULTSæINæANæOVERFORMINGæOFæTHEæ SUFFICIENTæLOADINGæCAPACITYæFROMæAæææBEARINGæDEPTH
THREADæWHICHæMUSTæDEFINITELYæBEæPREVENTEDæBECAUSEæTHISæCANæ
4APPINGæSIZEæHOLEæDIAMETERæISæTOOæLARGE
sæTHREADæNOTæFORMED
sæLARGEæFORMæPOCKETæCLAW
sæHEIGHTæOFæPROFILEæTOOæLOW
/PTIMALæTAPPINGæSIZEæHOLEæDIAMETER
sæTHREADæFULLYæFORMEDæ
sæSMALLæFORMæPOCKETæCLAW
sæOPTIMALæHEIGHTæOFæPROFILE
4APPINGæSIZEæHOLEæTOOæSMALL
sæTHREADæOVERFORMED
sæNOæFORMæPOCKETæCLAW
sæPROFILEæTOOæHIGH
#OOLINGæLUBRICANTSæWITHæFLUTELESSæTAPS
7ITHæFLUTELESSæTAPSæTHEæMAINæTASKæOFæTHEæCOOLANTæISæLUBRICA
TIONæ4HEæBETTERæTHEæLUBRICATIONæWITHæTHEæMAXIMUMæCONCEN
TRATIONæTHEæLONGERæTHEæTOOLæLIFE
4HEREæAREæTWOæDIFFERENTæTYPESæOFææLUBRICANT
/ILæBASEDæLUBRICANTS
4HESEæAREæMINERALæOILSæWITHæTHEæBESTæLUBRICATINGæCHARACTERI
STICSæ4HEYæREDUCEæFRICTIONæANDæACHIEVEæOPTIMALæLIFE
Soluble lubricants
4HESEæ SOLUBLEæ LUBRICANTSæ AREæ Aæ CONCENTRATEæ THINNEDæ TOæ ANæ
EMULSIONæ PRIORæ TOæ THEæ USEæ WITHæ WATERæ4HEæ CONCENTRATIONæ
MUSTæ NOTæ BEæ BELOWæ æ!æ CONTENTæ MOREæ THANæ æ ISæ IDEALæ
INæORDERæTOæACHIEVEæAæLONGæLIFEæTHANKSæTOæAæGOODæLUBRICATIONæ
EFFECT
6
7
4OOLæLIFE
&RICTION
8
9
10
12
20
50
100
#ONCENTRATIONæCONTENTæOFæTHEæCOOLINGæLUBRICANTæINæ
103
FORM TAPS
sæ&LUTELESSæ4APS
0AGEæ
0AGEæ
0AGEæ
0AGEæ
æææ5.#
æææ5.&
æææ-ETRICæ
æææ-ETRICæFINE
Note: Items marked as International Stock may become stocked
in USA if sufficient volume is recognized.
Recommended Tapping Speeds
General Steels
Material Hardness
Stainless Steels
SFM
HRC
Brinell
Nitrided
Material Hardness
Hard
coated
HRC
Brinell
Cast Aluminum
Silicon
Content
SFM
Nitrided
Hard
coated
Wrought Aluminum
SFM
%
Bright
finish
Material Hardness
Hard
coated
HRC
Brinell
SFM
Bright
finish
Hard
coated
--
< 180
100
165
--
180
50
65
<6
130
190
--
30 - 80
165
190
< 20
< 230
80
130
< 23
240
50
65
6 - 10
80
130
--
75 - 150
100
130
< 25
< 250
65
115
< 30
280
30
50
> 10
--
--
< 30
< 280
50
100
< 35
< 320
30
65
Thread Forming Taps
ANSI length - ANSI shank
UNC
Series 3940 - Cobalt, UNC, form tap, TiN coated, Form C chamfer
Series 3943 - Cobalt, UNC, form tap, TiCN coated, Form C chamfer
2BX
Class of Fit
Form Taps
Through or
Blind Hole
Chamfer Lead
C · 2-3
No. Lube
Shank dia.
2BX
Overall
Length
Square Size
Approx.
Series
Series
Order
Size
Grooves
inch
inch
inch
Limits
3940
3943
No.
4-40
4
0.141
0.110
1.882
H4/H5
5-40
4
0.141
0.110
1.941
H4/H5
6-32
4
0.141
0.110
2.000
H5/H6
8-32
4
0.168
0.131
2.130
H5/H6
10-24
4
0.194
0.152
2.382
H6/H7
12-24
4
0.220
0.165
2.382
H6/H7
1/4-20
4
0.255
0.191
2.500
H7/H8
5/16-18
5
0.318
0.238
2.720
H8/H9
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
2.845
3/8-16
5
0.381
0.286
2.941
H8/H9
7/16-14
5
0.323
0.242
3.157
H9/H10
1/2-13
5
0.367
0.275
3.381
H10/H11
5/8-11
5
0.480
0.360
3.811
H11/H12
3/4-10
7
0.590
0.442
4.252
H12/H13
3.175
3.505
4.166
4.826
5.486
6.350
7.938
9.525
11.113
12.700
15.875
19.050
ANSI length - ANSI shank
Series 3959 - Cobalt, UNC, straight flute, TiN coated, Form E chamfer
No. Lube
E · 1.5 - 2
106
Bright
Shank dia.
Square Size
Overall
Length
2BX
Approx.
Series
Order
Size
Grooves
inch
inch
inch
Limits
3959
No.
4-40
4
0.141
0.110
1.882
H4/H5
6-32
4
0.141
0.110
2.000
H5/H6
8-32
4
0.168
0.131
2.130
H5/H6
l
l
l
l
l
l
l
l
l
l
2.845
10-24
4
0.194
0.152
2.382
H6/H7
1/4-20
4
0.255
0.191
2.500
H7/H8
5/16-18
5
0.318
0.238
2.720
H8/H9
3/8-16
5
0.381
0.286
2.941
H8/H9
7/16-14
5
0.323
0.242
3.157
H9/H10
1/2-13
5
0.367
0.275
3.381
H10/H11
5/8-11
5
0.480
0.360
3.811
H11/H12
Steam Oxide
TiN
TiCN
MolyGlide
MolyGlide®
TiAlN
AlCrN
3.505
4.166
4.826
6.350
7.938
9.525
11.113
12.700
15.875
FIREX®
Thread Forming Taps
DIN length - DIN shank
Series 1582 - Cobalt, UNC, form tap, TiN coated, DIN 371
Series 1583 - Cobalt, UNC, form tap, TiN coated, DIN 376
No. Lube
Shank dia.
Square Size
Overall
Length
DIN 371
DIN 376
Approx.
Series
Series
1583
2BX
Size
Grooves
mm
mm
mm
Limits
1582
10-24
4
6.000
4.900
70.000
H6/H7
12-24
4
6.000
4.900
80.000
H6/H7
1/4-20
4
7.000
5.500
80.000
H7/H8
°
°
l
l
l
°
5/16-18
5
8.000
6.200
90.000
H8/H9
3/8-16
5
10.000
8.000
100.000
H8/H9
7/16-14
5
8.000
6.200
100.000
H9/H10
1/2-13
5
9.000
7.000
110.000
H10/H11
9/16-12
5
11.000
9.000
110.000
H10/H11
5/8-11
5
12.000
9.000
110.000
H11/H12
3/4-10
7
14.000
11.000
125.000
H12/H13
UNC /
UNF
Order
No.
2BX
Class of Fit
4.826
5.486
6.350
7.938
9.525
11.113
l
°
°
°
12.700
Through or
Blind Hole
14.288
15.875
19.050
ANSI length - ANSI shank
Series 3941 - Cobalt, UNF, form tap, TiN coated
Series 3944 - Cobalt, UNF, form tap, TiCN coated
C · 2-3
No. Lube
Shank dia.
Square Size
Overall
Length
2BX
Approx.
Series
Series
Order
Size
Grooves
inch
inch
inch
Limits
3941
3944
No.
4-48
4
0.141
0.110
1.882
H4/H5
5-44
4
0.141
0.110
1.941
H4/H5
6-40
4
0.141
0.110
2.000
H5/H6
8-36
4
0.168
0.131
2.130
H4/H5
10-32
4
0.194
0.152
2.382
H5/H6
12-28
4
0.220
0.165
2.382
H6/H7
1/4-28
4
0.255
0.191
2.500
H6/H7
5/16-24
5
0.318
0.238
2.720
H7/H8
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
2.845
3/8-24
5
0.381
0.286
2.941
H7/H8
7/16-20
5
0.323
0.242
3.157
H8/H9
1/2-20
5
0.367
0.275
3.381
H8/H9
5/8-18
5
0.480
0.360
3.811
H9/H10
3/4-16
7
0.590
0.442
4.252
H10/H11
● 53!æ3TOCK
❍ )NTERNATIONALæ3TOCKææWKS
3.175
3.505
4.166
4.826
5.486
6.350
7.938
9.525
11.113
12.700
15.875
19.050
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
107
Form Taps
Chamfer Lead
Thread Forming Taps
ANSI length - ANSI shank
UNF
2BX
Class of Fit
Through or
Blind Hole
Series 3972 - Cobalt, UNF, form tap, TiN coated, Form E chamfer
No. Lube
Shank dia.
Square Size
Overall
Length
2BX
Approx.
Series
Order
Size
Grooves
inch
inch
inch
Limits
3972
No.
10-32
4
0.194
0.152
2.382
H5/H6
1/4-28
4
0.255
0.191
2.500
H6/H7
5/16-24
5
0.318
0.238
2.720
H7/H8
l
l
l
l
l
l
l
4.826
3/8-24
5
0.381
0.286
2.941
H7/H8
7/16-20
5
0.323
0.242
3.157
H8/H9
1/2-20
5
0.367
0.275
3.381
H8/H9
5/8-18
5
0.480
0.360
3.811
H9/H10
6.350
7.938
9.525
11.113
12.700
15.875
DIN length - DIN shank
Form Taps
Series 1584 - Cobalt, UNF, form tap, TiN coated, DIN 371, Form C chamfer
Chamfer Lead
No. Lube
E · 1.5 - 2
Shank dia.
Square Size
Overall
Length
2BX
DIN 371
Approx.
Series
Order
Size
Grooves
mm
mm
mm
Limits
1584
No.
10-32
4
6.000
4.900
70.000
H5/H6
°
°
°
°
l
4.826
12-28
4
6.000
4.900
80.000
H6/H7
1/4-28
4
7.000
5.500
80.000
H6/H7
5/16-24
5
8.000
6.200
90.000
H7/H8
3/8-24
5
10.000
8.000
100.000
H7/H8
5.486
6.350
7.938
9.525
C · 2-3
DIN length - DIN shank
Series 1585 - Cobalt, UNF, form tap, TiN coated, DIN 376, Form C chamfer
No. Lube
108
Bright
Shank dia.
Square Size
Overall
Length
2BX
DIN 376
Approx.
Series
Order
Size
Grooves
mm
mm
mm
Limits
1585
No.
7/16-20
5
8.000
6.200
100.000
H8/H9
1/2-20
5
9.000
7.000
100.000
H8/H9
9/16-18
5
11.000
9.000
100.000
H8/H9
5/8-18
5
12.000
9.000
100.000
H9/H10
3/4-16
7
14.000
11.000
110.000
H10/H11
l
l
°
°
°
11.113
Steam Oxide
TiN
TiCN
MolyGlide
MolyGlide®
TiAlN
AlCrN
12.700
14.288
15.875
19.050
FIREX®
Thread Forming Taps
ANSI length - ANSI shank
Series 3939 - Cobalt, Metric, form tap, TiN coated
Series 3942 - Cobalt, Metric, form tap, TiCN coated
METRIC
6HX
No. Lube
Shank dia.
Square Size
Overall
Length
Size
Grooves
inch
inch
inch
Limits
3939
3942
M3 X 0.50
4
0.141
0.110
1.941
D5/D6
M4 X 0.70
4
0.168
0.131
2.130
D6/D7
M5 X 0.80
4
0.194
0.152
2.382
D7/D8
M6 X 1.00
4
0.255
0.191
2.500
D8/D9
M8 X 1.25
5
0.318
0.238
2.720
D9/D10
M10 X 1.50
5
0.381
0.286
2.941
D10/D11
M12 X 1.75
5
0.367
0.275
3.381
D11/D12
M14 X 2.00
5
0.429
0.322
3.591
D13/D14
M16 X 2.00
5
0.480
0.360
3.811
D13/D14
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
Approx.
Series
Series
Order
No.
6HX
Class of Fit
3.000
4.000
5.000
6.000
8.000
10.000
Through or
Blind Hole
12.000
14.000
16.000
NEW!
ANSI length - ANSI shank
C · 2-3
Series 3979 - Cobalt, Metric, form tap, TiN coated, Form E chamfer
6HX
No. Lube
Shank dia.
Square Size
Overall
Length
Size
Grooves
inch
inch
inch
Limits
3979
No.
M3 X 0.50
3
0.141
0.110
1.941
D5/D6
3.000
M4 X 0.70
3
0.168
0.131
2.130
D6/D7
M5 X 0.80
3
0.194
0.152
2.382
D7/D8
M6 X 1.00
3
0.255
0.191
2.500
D8/D9
M8 X 1.25
3
0.318
0.238
2.720
D9/D10
M10 X 1.50
3
0.381
0.286
2.941
D10/D11
M12 X 1.75
3
0.367
0.275
3.381
D11/D12
l
l
l
l
l
l
l
● 53!æ3TOCK
❍ )NTERNATIONALæ3TOCKææWKS
Approx.
Series
Order
E · 1.5 - 2
4.000
5.000
6.000
8.000
10.000
12.000
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
109
Form Taps
Chamfer Lead
Thread Forming Taps
DIN length - DIN shank
METRIC
Series 919 - Cobalt, Metric, form tap, TiN coated, DIN 371, form C chamfer
Series 1717 - PM cobalt, Metric, form tap, AlCrN, DIN 371, radial coolant, form C chamfer
6HX
Class of Fit
Through or
Blind Hole
No. Lube
Shank dia.
Square Size
DIN 371
DIN 371
Approx.
Series
Series
1717
6HX
Overall
Length
Size
Grooves
mm
mm
mm
Limits
919
M3 X 0.50
4
3.500
2.700
56.000
D5/D6
l
°
l
l
l
l
l
M3.5 X 0.60
4
4.000
3.000
56.000
D6/D7
M4 X 0.70
4
4.500
3.400
63.000
D6/D7
M5 X 0.80
4
6.000
4.900
70.000
D7/D8
M6 X 1.00
4
6.000
4.900
80.000
D8/D9
M8 X 1.25
5
8.000
6.200
90.000
D9/D10
M10 X 1.50
5
10.000
8.000
100.000
D10/D11
Order
No.
3.000
3.500
4.000
°
l
l
l
5.000
6.000
8.000
10.000
DIN length - DIN shank
Form Taps
Series 323 - PM cobalt, Metric, form tap, TiN coated, DIN 371, radial coolant, form C chamfer
Chamfer Lead
No. Lube
C · 2-3
Shank dia.
Square Size
DIN 371
6HX
Overall
Length
Approx.
Series
Order
Size
Grooves
mm
mm
mm
Limits
323
No.
M5 X 0.80
4
6.000
4.900
70.000
D7/D8
5.000
M6 X 1.00
4
6.000
4.900
80.000
D8/D9
M8 X 1.25
5
8.000
6.200
90.000
D9/D10
M10 X 1.50
5
10.000
8.000
100.000
D10/D11
°
l
l
°
6.000
8.000
10.000
E · 1.5 - 2
DIN length - DIN shank
Series 1972 - Carbide, Metric, form tap, **TiCN coated DIN 371, radial coolant, form C chamfer
Series 1927 - Carbide, Metric, form tap, **TiCN coated, DIN 371, radial coolant, Form E chamfer
DIN 371
DIN 371
Approx.
Series
Series
Order
6HX
No. Lube
Shank dia.
Square Size
Overall
Length
Size
Grooves
inch
inch
inch
Limits
1972
1927
No.
*M3 X 0.50
4
3.500
2.700
56.000
D5/D6
4
4.500
3.400
63.000
D6/D7
M5 X 0.80
4
6.000
4.900
70.000
D7/D8
M6 X 1.00
4
6.000
4.900
80.000
D8/D9
M8 X 1.25
5
8.000
6.200
90.000
D9/D10
M10 X 1.50
5
10.000
8.000
100.000
D10/D11
°
°
°
l
l
l
l
l
°
l
l
l
3.000
*M4 X 0.70
4.000
5.000
6.000
8.000
10.000
* Sizes <M5 do not have coolant ducts through the tap
**All carbide form taps will be changing to TiCN coating as inventory levels are replenished.
110
Bright
Steam Oxide
TiN
TiCN
MolyGlide
MolyGlide®
TiAlN
AlCrN
FIREX®
Thread Forming Taps
DIN length - DIN shank
Series 342 - PM cobalt, Metric,form tap, TiN coated, DIN 376, radial coolant
Series 1719 - PM cobalt, Metric, form tap, AlCrN, DIN 376, radial coolant
DIN 376
DIN 376
Approx.
Series
Series
Order
Limits
342
1719
No.
°
l
°
6HX
No. Lube
Shank dia.
Square Size
Overall
Length
Size
Grooves
mm
mm
mm
M12 X 1.75
5
9.000
7.000
110.000
D11/D12
M14 X 2.00
5
11.000
9.000
110.000
D13/D14
M16 X 2.00
5
12.000
9.000
110.000
D13/D14
M12 X 1.75
5
9.000
7.000
110.000
D11/D12
M14 X 2.00
5
11.000
9.000
110.000
D13/D14
M16 X 2.00
5
12.000
9.000
110.000
D13/D14
M20 X 2.50
7
16.000
12.000
140.000
D14/D15
METRIC
/ METRIC
FINE
12.000
14.000
16.000
°
°
°
°
6HX
Class of Fit
12.000
14.000
16.000
20.000
Through or
Blind Hole
DIN length - DIN shank
Form Taps
Series 1931 - Carbide, Metric, form tap, **TiCN coated, DIN 376, radial coolant
Size
No. Lube
Shank dia.
Square Size
Overall
Length
Grooves
mm
mm
mm
6HX
DIN 376
Approx.
Series
Order
Limits
1931
No.
°
°
°
°
°
12.000
Approx.
Series
Order
M12 X 1.75
5
9.000
7.000
110.000
D11/D12
M14 X 2.00
5
11.000
9.000
110.000
D13/D14
M16 X 2.00
5
12.000
9.000
110.000
D13/D14
M18 X 2.50
6
14.000
11.000
125.000
D14/D15
M20 X 2.50
7
16.000
12.000
140.000
D14/D15
Chamfer Lead
14.000
16.000
C · 2-3
18.000
20.000
** All carbide form taps will be changing to TiCN coating as inventory levels are replenished.
NEW!
ANSI length - ANSI shank
Series 3975 - Cobalt, Metric Fine, form tap, TiN coated
6HX
No. Lube
Shank dia.
Square Size
OAL
Size
Grooves
inch
inch
inch
Limits
3975
No.
M8 X 1.00
5
0.318
0.238
2.720
D7/D8
M10 X 1.00
5
0.381
0.286
2.941
D7/D8
M10 X 1.25
5
0.381
0.286
2.941
D7/D8
M12 X 1.00
5
0.367
0.275
3.381
D7/D8
M12 X 1.25
5
0.367
0.275
3.381
D7/D8
M12 X 1.50
5
0.367
0.275
3.381
D8/D9
M14 X 1.25
5
0.429
0.322
3.591
D9/D10
M14 X 1.50
5
0.429
0.322
3.591
D10/D11
M16 X 1.50
5
0.480
0.360
3.811
D10/D11
l
l
l
l
l
l
l
l
l
8.005
● 53!æ3TOCK
❍ )NTERNATIONALæ3TOCKææWKS
10.005
10.006
12.005
12.006
12.007
14.006
14.007
16.007
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
111
Thread Forming Taps
DIN length - DIN shank
METRIC
FINE
6HX
Class of Fit
Form Taps
Through or
Blind Hole
Chamfer Lead
Series 927 - Cobalt, Metric Fine, form tap, TiN coated, DIN 374
No. Lube
Shank dia.
Square Size
Overall
Length
Grooves
mm
mm
mm
Size
DIN 374
6HX
Approx.
Series
Order
Limits
927
No.
°
°
l
°
l
°
°
l
°
l
°
°
°
°
°
°
6.004
M6 X 0.75
4
4.500
3.400
80.000
D6/D7
M8 X 0.75
5
6.000
4.900
80.000
D7/D8
M8 X 1.00
5
6.000
4.900
90.000
D7/D8
M10 X 1.00
5
7.000
5.500
90.000
D7/D8
M10 X 1.25
5
7.000
5.500
100.000
D7/D8
M12 X 1.00
5
9.000
7.000
100.000
D7/D8
M12 X 1.25
5
9.000
7.000
100.000
D7/D8
M12 X 1.50
5
9.000
7.000
100.000
D8/D9
M14 X 1.00
5
11.000
9.000
100.000
D8/D9
M14 X 1.50
5
11.000
9.000
100.000
D10/D11
M16 X 1.00
5
12.000
9.000
100.000
D10/D11
M16 X 1.50
5
12.000
9.000
100.000
D10/D11
M18 X 1.00
7
14.000
11.000
110.000
D10/D11
M18 X 1.50
7
14.000
11.000
110.000
D10/D11
M20 X 1.00
7
16.000
12.000
125.000
D11/D12
M20 X 1.50
7
16.000
12.000
125.000
D11/D12
8.004
8.005
10.005
10.006
12.005
12.006
12.007
14.005
14.007
16.005
16.007
18.005
18.007
20.005
20.007
C · 2-3
DIN length - DIN shank
Series 338 - PM cobalt, Metric Fine, form tap, TiN coated, DIN 374, radial coolant
Series 1723 - PM cobalt, Metric Fine, form tap, AlCrN, DIN 374, radial coolant
No. Lube
112
Bright
Shank dia.
Square Size
DIN 374
DIN 374
Approx.
Series
Series
1723
6HX
Overall
Length
Size
Grooves
mm
mm
mm
Limits
338
M8 X 1.00
5
6.000
4.900
90.000
D7/D8
°
°
°
M10 X 1.00
5
7.000
5.500
90.000
D7/D8
M12 X 1.00
5
9.000
7.000
100.000
D7/D8
M12 X 1.25
5
9.000
7.000
100.000
D7/D8
M12 X 1.50
5
9.000
7.000
100.000
D8/D9
M14 X 1.50
5
11.000
9.000
100.000
D10/D11
M16 X 1.50
5
12.000
9.000
100.000
D10/D11
M18 X 1.50
7
14.000
11.000
110.000
D10/D11
M20 X 1.50
7
16.000
12.000
125.000
D11/D12
M24 X 1.50
7
18.000
14.500
140.000
D11/D12
Steam Oxide
TiN
TiCN
MolyGlide
MolyGlide®
°
l
l
TiAlN
Order
No.
8.005
10.005
°
l
°
°
l
°
°
°
AlCrN
12.005
12.006
12.007
14.007
16.007
18.007
20.007
24.007
FIREX®
Thread Forming Taps
DIN length - DIN shank
Series 1721 - PM cobalt, Metric Fine, form tap, AlCrN, DIN 371, radial coolant
6HX
DIN 371
No. Lube
Shank dia.
Square Size
Overall
Length
Size
Grooves
mm
mm
mm
Limits
1721
No.
°
°
l
10.005
Approx.
Series
Order
M8 X 1.00
5
8.000
6.200
90.000
D7/D8
M10 X 1.00
5
10.000
8.000
90.000
D7/D8
M10 X 1.25
5
10.000
8.000
100.000
D7/D8
8.005
METRIC
FINE
6HX
Class of Fit
10.006
Through or
Blind Hole
DIN length - DIN shank
Series 1581 - Carbide, Metric Fine, form tap, **TiCN coated, DIN 374, radial coolant
No. Lube
Shank dia.
Square Size
Overall
Length
6HX
DIN 374
Approx.
Series
Order
Grooves
mm
mm
mm
Limits
1581
No.
5
9.000
7.000
100.000
D7/D8
12.005
M12 X 1.50
5
9.000
7.000
100.000
D8/D9
M14 X 1.00
5
11.000
9.000
100.000
D8/D9
M14 X 1.25
5
11.000
9.000
100.000
D9/D10
M14 X 1.50
5
11.000
9.000
100.000
D10/D11
M16 X 1.50
5
12.000
9.000
100.000
D10/D11
M18 X 1.50
7
14.000
11.000
110.000
D10/D11
M20 X 1.50
7
16.000
12.000
125.000
D11/D12
M24 X 1.50
7
18.000
14.500
140.000
D11/D12
°
l
°
°
°
°
°
°
°
Chamfer Lead
12.007
14.005
14.006
14.007
C · 2-3
16.007
18.007
20.007
24.007
** All carbide form taps will be changing to TiCN coating as inventory levels are replenished.
● 53!æ3TOCK
❍ )NTERNATIONALæ3TOCKææWKS
7HENæORDERINGæ%$0æNOææ3ERIESææ/RDERæNOæIEæææ
113
Form Taps
Size
M12 X 1.00
114
General
Purpose
Alloyed & Unalloyed
Steels
Stainless
Steels
High Tensile,
Tool Steels
Cast Iron
Aluminum
and Alloys
Titanium
or Nickel
4ECHNICALæ)NFORMATION
General
Purpose
Alloyed & Unalloyed
Steels
Stainless
Steels
High Tensile,
Tool Steels
Cast Iron
Aluminum
and Alloys
Titanium
or Nickel
115
Definitions and angles, centers and flute forms
CHAMFERæLEADæ
LENGTH
æ
SHANKæDIA
LENGTHæOFæDRIVINGæ
SQUARE
DRIVINGæ
SQUARE
THREADæ
DIA
THREADæ
LENGTH
FLUTEææ
LENGTH
OVERALLæLENGTH
INCLUDEDæANGLEæ
OFæTHREAD
Dæ
GF!æ
Aæ
Gæ
TRYæSQUARE
SPIRALæPOINTæANGLE
CLEARANCEæANGLE
RAKEæANGLE
LAND
WIDTHæOFææ
LAND
CHAMFERæ fA
DIA
WIDTHæOFæ
FLUTE
FLUTE
CHAMFER
WEBæDIA
THREADææ
PITCH
Flute forms
STRAIGHTæFLUTEDæFORMæ#æ
WITHOUTæSPIRALæPOINT
HELIXæANGLEæ
—
STRAIGHTæFLUTEDæFORMæ"æ
WITHæSPIRALæPOINT
HELIXæANGLEæ
—
Technical
4YPESæOFæCENTERSæSTANDARDæTOæ$).æ$).æææ
Note: DIN standard taps > 10.0mm diameter are manufactured with male centers
4 SOLIDæCONE
SOLIDæCONE 1
STEPPEDæCONE 2
ONæCUTTINGæ
SECTION
ONæ
SHANK
5 CHAMFER
INTERNALæCENTERæ
FORMæ!æORæ2æTOæ$).ææ 3
ACCæTOæMANUFACTæSPECIFICATION
æ
4HREADæDIAæRANGEæ
MM
éæ
ææxæ
ææxæ
æ
INTERNALæCENTERæ
6 FORMæ!æORæ2æTOæ$).ææ
ACCæTOæMANUFACTæSPECIFICATION
#ENTERæONæCUTTINGæSECTION
WITHæCHAMFERæFORMSææ
!æ#æ$æ%
WITHæCHAMFERæFORMæ
"
#ENTERæONæSHANKæ
➀
➀➁
➀➁➂
➂
➀
➀
➀➁➂
➂
➃➄➅
➃➄➅
➃➄➅
➅
Coolant duct geometries
AXIALæCOOLANTææ
DELIVERYæ
WITHæAXIALæCOOLANTææ
DUCTæEXIT
116
AXIALæCOOLANTææ
DELIVERYæWITHæRADIALææ
COOLANTæDUCTæEXITæINæTHEæFLUTESææ
ATæTHEæCHAMFER
Chamfer forms, selection and application
!PPLICATIONæRECOMMENDATIONS
7HILEæINæTHEæFIRSTæINSTANCEæTHEæTYPEæOFæTAPPEDæHOLEæREQUIREDæ
DETERMINESæ THEæ CHAMFERæ GENERALLYæ THEæ TAPæ GEOMETRYæ æ
IEæ FORMæ NUMBERæ ANDæ DIRECTIONæ OFæ FLUTESæ CUTTINGæ ANGLEæ
ETCæ æ DEPENDæ ONæ THEæ MATERIALæ TOæ BEæ MACHINEDæ ANDæ ONæ THEæ
APPLICATIONæ"ASICALLYæTAPSæUPæTOæ-æFORæTAPPINGæ)3/æMETRICæ
THREADSæ ORæ FORæ THEæ ENGINEERINGæ INDUSTRYæ INæ GENERALæ HAVEæ æ
FLUTESæANDæABOVEæTHISæSIZEææORæMOREæFLUTES
æ
4APSæWITHæLEFTHANDæFLUTESæANDæTAPSæWITHæSPIRALæPOINTSæREMOVEæ
THEæCHIPSæINæTHEæCUTTINGæDIRECTIONæORæDIRECTIONæOFæFEEDæANDæAREæ
THEREFOREæESPECIALLYæSUITABLEæFORæTAPPINGæTHROUGHæHOLESæ4APSæ
WITHæSTRAIGHTæFLUTESæANDæLONGæCHAMFERæLEADæFORMæ$æALSOæGIVEæ
GOODæRESULTS
æ
!Sæ FARæ ASæ BLINDæ HOLESæ AREæ CONCERNEDæ WEæ RECOMMENDæ TAPSæ
WITHæ RIGHTHANDæ SPIRALæ FLUTESæ ORæ STRAIGHTæ FLUTEDæ TAPSæ WITHæ Aæ
SHORTæCHAMFERæLEADæLENGTHæ4OOLSæWITHæRIGHTHANDæSPIRALæFLUTESæ
HAVEæ THEæ CHIPæ FLOWæ INæ THEæ BACKWARDæ DIRECTIONæ IEæ UPæ THEæ
FLUTESæ4HEæCHAMFERæLEADæLENGTHæISæDESIGNEDæINæSUCHæAæWAYæSOæ
THATæDURINGæTHEæRETURNæMOVEMENTæCHIPSæDOæNOTæJAMæANDæAREæ
RELIABLYæSHEAREDæOFF
æ
4HEæTAPPINGæOFæALUMINIUMæGREYæCASTæIRONæANDæBRASSæREQUIRESæ
TAPSæWITHæAæSHORTæCHAMFERæLEADæLENGTHæREGARDLESSæOFæWHETHERæ
THROUGHæ ORæ BLINDæ HOLESæ AREæ REQUIREDæ )Næ THESEæ MATERIALSæ Aæ
LONGæCHAMFERæLEADæLENGTHæWOULDæACTæASæAæCOREæDRILLæWITHæCHIPæ
BREAKERæGROOVESæANDæWOULDæONLYæDRILLæTHEæTAPPINGæSIZEæHOLEæ
TOæTHEæMAJORæDIAMETERæINSTEADæOFæCUTTINGæAæTHREAD
æ
3TRAIGHTæFLUTEDæTAPSæWITHOUTæSPIRALæPOINTæAREæGENERALæPURPOSEæ
TOOLSæANDæHAVEæTHEæDISADVANTAGEæOFæNOTæSHOWINGæOPTIMUMæ
RESULTSæ INæ PARTICULARæ MATERIALSæ )TSæ WELLæ WORTHæ THEæ EFFORTæ TOæ
TAKEæ THEæ TROUBLEæ OFæ ASCERTAININGæ THEæ MOSTæ SUITABLEæ TOOLæ FORæ
ANYæGIVENæMETALCUTTINGæTASK
#HAMFERæFORMSæTOæ$).æ
&ORMæ!
xæTHREADS
LONGææææTHREADSæ
FORæSHORTæ
THROUGHæHOLES
Form B
xæTHREADS
Technical
MEDIUMææææTHREADSæ
WITHæSPIRALæPOINTææ
FORæALLæTHROUGHæHOLESæ
INæMEDIUMæANDæLONGCHIPPINGæMATERIALS
Form C
xæTHREADS
SHORTææææTHREADSæ
FORæBLINDæHOLESæ
ANDæGENERALLYæFORæ
ALUMINIUMæGREYæCASTæIRONæ
ANDæBRASS
xæTHREADS
MEDIUMææææTHREADSæ
FORæSHORTæ
THROUGHæHOLESæANDæBLINDæHOLESæ
WHEREæTAPæDRILLæCLEARANCEæPERMITS
xæTHREADS
EXTREMELYæSHORTææTHREADSææ
FORæBLINDæHOLESæWITHæ
LITTLEæRUNOUTæDEPTHæ
!VOIDæUSEæIFæPOSSIBLE
xæTHREADS
EXTREMELYæSHORTææTHREADSæ
FORæBLINDæHOLESæWITHæ
LITTLEæRUNOUTæDEPTHæ
!VOIDæUSEæIFæPOSSIBLE
Form D
Form E
Form F
117
4APæ4OLERANCESæANDæ!PPROXIMATEæ,IMITS
5.#5.&æ4APS
3CREWæSIZEæANDæFRACTIONALæTHREADSæAREæTYPICALLYæSPECIFIEDæASæ
ONEæOFæTHREEæCLASSESæOFæFITæ#LASSæ"ænæFORæLOWæPRECISIONæORæ
THREADSæTHATæAREæTYPICALLYæUSEDæINæAREASæWHEREæDIRTæANDæGRIMEæ
AREæAæCONSTANTæFACTORæ#LASSæ"æFORæGENERALæTHREADINGæAPPLICA
TIONSæBYæFARæTHEæMOSTæCOMMONæANDæ#LASSæ"æFORæPRECISIONæ
THREADSæGENERALLYæFOUNDæINæMEDICALæAEROSPACEæANDæAPPLI
CABLEæAUTOMOTIVEæAPPLICATIONSææ
Technical
sæ!SæSEENæINæTHEæCHARTænæTHESEæCLASSESæOFæFITæDOæOVERLAPæEVENæ
THOUGHæTHEYæAREæPROGRESSIVEæINæACCURACYæ4OæFURTHERæBREAKæ
DOWNæTHEæACCURACYæOFæTHESEæTHREADSæWEæHAVEæh(væLIMITSæINæ
INCREMENTSæOFævæ
æ
sæ%VERYæSIZEPITCHæTAPæHASæAæSPECIFICæORæGIVENæBASICæPITCHæ
DIAMETERæTHATæISæTHEæBASISæFORæTHEæh(væLIMITSæANDæTHEæCLASSæOFæ
FITæFORæTHATæSIZEæ
æ
sæ!SæYOUæCANæSEEæINæTHEæCHARTænæTHEæCLASSæOFæFITæWILLæGIVEæYOUæ
MINIMUMæANDæMAXIMUMæPITCHæDIAMETERæLIMITSæTHATæNEEDæTOæ
BEæMAINTAINEDæDURINGæMANUFACTURINGæTYPICALLYæTHESEæAREæ
YOURæTHREADæGAUGEæLIMITSæ"YæSEEINGæTHEæh(væLIMITSæILLUSTRAT
EDæYOUæAREæBETTERæABLEæTOæUNDERSTANDæWHATæAREAæOFæTHEæCLASSæ
OFæFITæYOUæAREæACTUALLYæWORKINGæWITHINæ
4HISæCHARTæDOESæNOTæSHOWæAæSPECIFICæSIZEæTAPænæITSæPURPOSEæISæ
TOæGIVEæAæVISUALæUNDERSTANDINGæOFæHOWæTHEæh(væLIMITSæWORKæ
WITHINæTHEæDIFFERENTæCLASSESæOFæFIT
+0.0080
+0.0075
+0.0070
+0.0065
+0.0060
+0.0055
H11
+0.0050
H10
+0.0045
H9
+0.0040
H8
+0.0035
H7
+0.0030
H6
+0.0025
H5
+0.0020
H4
+0.0015
H3
+0.0010
H2
+0.0005
Basic H1
-0.0005
1B
2B
3B
Basic P.D.
Metric Taps
-ETRICæTHREADSæHAVEæTHEIRæOWNæCLASSIFICATIONSæFORæCLASSæOFæFITæ
ANDæTHEæTHREADæLIMITSæWITHINæTHEMæ7HENæDISCUSSINGæ5.#
5.&æTHREADSæWEæWORKEDæWITHæ"æ"æANDæ"æ#LASSESæOFæFITæ
ANDæHADæh(væLIMITSæWHICHæHELPEDæDEFINEæTHEæACCURACYæWITHINæ
EACHæCLASSæ4OæHELPæUNDERSTANDæ-ETRICæTOLERANCINGæITæMAYæBEæ
EASIESTæTOæLOOKæATæTHEæSIMILARITIESæBETWEENæBOTHæ-ETRICæANDæ
&RACTIONALæTOLERANCINGææ
sæ!æMETRICæ(æCLASSæOFæFITæISæQUITEæSIMILARæTOæTHEæFRACTIONALæ"æ
CLASSæOFæFITæææASæISæTHEæMETRICæ(æTOæTHEæFRACTIONALæ"æ7EæWILLæ
FOCUSæONæTHEæ(æCLASSæOFæFITæASæTHISæISæOURæSTANDARDæOFFERINGæ
INæMETRICæSIZESæ0LEASEæNOTEæTHATæSPECIALæCLASSESæOFæFITæCANæBEæ
PRODUCEDæFORæANYæGIVENæAPPLICATIONæUPONæREQUEST
æ
sæ!GAINænæTHEæCLASSæOFæFITæWILLæGIVEæYOUæMINIMUMæANDæMAXI
MUMæPITCHæDIAMETERæLIMITSæTHATæNEEDæTOæBEæMAINTAINEDæ
DURINGæMANUFACTURINGæ7ITHINæTHEæCLASSæOFæFITænæMETRICæTHREADæ
LIMITSæAREæFURTHERæBROKENæDOWNæINTOæh$væLIMITSæ%ACHæh$væ
LIMITæEQUALSæMMæMMæævænæEXTREMELYæ
SIMILARæTOæTHATæOFæFRACTIONALæh(væLIMITæTOLERANCINGæ
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sæ!SæYOUæLOOKæATæTHISæCHARTæYOUæCANæSEEæHOWæTHEæh$væLIMITSæ
HELPæCONTROLæWHATæAREAæOFæTHEæCLASSæOFæFITæYOUæAREæWORKINGæ
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4HISæCHARTæDOESæNOTæSHOWæAæSPECIFICæSIZEæTAPænæITSæPURPOSEæISæ
TOæGIVEæAæVISUALæUNDERSTANDINGæOFæHOWæTHEæh$væLIMITSæWORKæ
WITHINæAæCLASSæOFæFIT
118
+0.208 mm
+0.195 mm
+0.182 mm
+0.169 mm
+0.156 mm
+0.143 mm
+0.130 mm
+0.117 mm
+0.104 mm
+0.091 mm
+0.078 mm
+0.065 mm
+0.052 mm
+0.039 mm
+0.026 mm
+0.013 mm
Basic
-0.013 mm
6H
D10
D9
D8
D7
D6
D5
D5
(shown w/mfg. tolerance)
D4
D3
D2
D1
Basic P.D.
4APSæFORæ)3/æMETRICæTHREADSæ$).æ%.ææEXTRACT
Profile of the nut thread
"ASICæPROFILE
$ MAJORæDIAMETER
$ NOMæDIAæOFæTAPPINGæSIZEæHOLE
$ BASICæPITCHæDIAMETER
0
PITCHæOFæDIAMETER
æ
INCLUDEDæANGLEæOFæTHREAD
(æ HEIGHTæOFæPEAKæTOæPEAK
æ
THREADæPROFILE
%Læ BASICæDEVIATIONæOFæPITCHæZERO
WITHæTOLERANCEæZONEæ(æPOSITIVE
WITHæTOLERANCEæZONEæ'
Profile of the tap
4OLERANCES
4$æ TOLERANCEæONæTAPPINGæSIZEæHOLEæDIA
4$æ TOLERANCEæONæTAPæPITCHæDIA
7ITHæTHEæAIMæOFæUNIFYINGæTHREADSæONæANæINTERNATIONALæBASISæ
THEæ)3/æTHREADæWASæBROUGHTæOUTæANDæHASæBEENæACCEPTEDæBYæ
ALLæCONCERNEDæ4ODAYæTHEæ)3/æMETRICæTHREADæISæTHEæMOSTæCOM
MONæTYPEæ!SæYOUæCANæSEEæOURæTAPæPROGRAMæDEMONSTRATESæ
THISæFACTæINæTHEæCLEARESTæPOSSIBLEæWAY
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4OLERANCE
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7EæRECOMMENDæTHEæAPPLICATIONæOFæTAPSæINæACCORDANCEæWITHæ
THEæADJACENTæTABLE
Technical
-ETRICæTOLERANCEæQUALITIESæFIGUREæIDENTIFICATION
4OLERANCEæZONEææTOLERANCEæCLASSæALLOCATIONæææ
4OLERANCEæ QUALITIESæ OFæ EXTERNALæ THREADSæ AREæ DEFINEDæ BYæ THEæ
.UTæTHREADTOLERANCEæZONES
TABLEæTOæTHEæRIGHTæTHOSEæOFæNUTæTHREADSæBYæTHEæTABLEæONæTHEæ
4APæTHREADTOLERANCEæCLASSES
LOWERæRIGHT
4OLERANCEæZONESæNUTæTHREAD
4OLERANCEæCLASSESæTAPæTHREAD
1UALITYæ ANDæ POSITIONæ OFæ TOLERANCEæ DETERMINEæ THEæ TOLERANCEæ
ZONEæ WHICHæ ISæ IDENTIFIEDæ BYæ THEæ APPROPRIATEæ FIGURESæ ANDæ
LETTERS
4HEæABBREVIATIONæFORæTHEæTOLERANCEæCLASSæOFæTAPæCORRESPONDSæ
TOæTHEæTOLERANCEæZONEæOFæTHEæINTERNALæTHREADæFORæWHICHæTHEæTAPæ
ISæUSEDæINæMOSTæCASESæ4HEREFOREæITæISæNOTæIDENTICALæWITHæTHEæ
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4OLERANCEæPOSITIONSæLETTERæIDENTIFICATION
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æOFæTHEæNUTæTHREADæPOLISHEDæTOæAæPITCHæOFææMMææ
TææT$ææ4OLERANCEæCLASSææOFæNUTæTHREAD
119
4APSæFORæ)3/æMETRICæTHREADSæ$).æ%.ææEXTRACT
Thread clearances and fits
&ITSæBETWEENæINTERNALæANDæEXTERNALæTHREADSæAREæSEPARATEDæBYæ
Aæ DIAGONALæ STROKEæ ASæ FORæ EXAMPLEæ (Gæ INTERNALEXTERNALæ
THREADæ4HEæ FITæ HASæ TOæ BEæ SELECTEDæ INæ CONJUNCTIONæ WITHæ THEæ
APPROPRIATEæTHREADæCONNECTION
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ANDæCOARSEæAREæALLOCATEDæTOæTHREEæSCREWINæLENGTHSæSHORTæ3æ
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3CREWINæLENGTHS
4HEæ QUALITYæ OFæ THREADæ CONNECTIONæ ISæ ALSOæ AFFECTEDæ BYæ THEæ
SCREWINæ LENGTHæ4HEæ )3/æ TOLERANCEæ SYSTEMæ WASæ ESPECIALLYæ
ASæ REGARDSæ THEæ PITCHæ DIAMETERæ DIVIDEDæ INTOæ THREEæ GROUPSæ
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4HEæ FOLLOWINGæ FITæ SHOULDæ BEæ SELECTEDæ FORæ NORMALæ SCREWINæ
LENGTHæ.
4Oæ ENSUREæ Aæ TIGHTERæ FITæ OFæ THREADæ CONNECTIONSæ WEæ RECOM
MENDæ FORæ SHORTæ SCREWINæ LENGTHSæ Aæ NARROWERæ FITæ!Sæ FARæ ASæ
LONGæSCREWINæLENGTHSæAREæCONCERNEDæFITSæWITHæAæLARGERæTOLE
RANCEæMUSTæBEæUSEDæTOæCOMPENSATEæFORæPITCHæDEVIATIONS
Technical
#OARSEæTOLERANCEæZONEæ,
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WHEREæ PRODUCTIONæ DIFFICULTIESæ MAYæ OCCURæ EGæ THREADæ PRO
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EXTERNALæTHREAD
120
DIAMETERæDæ
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%XPLANATIONæOFæSYMBOLS
$æ
$æ
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Dæ
Dæ
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Aæ
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ŒæNOMæOFæINTERNALæTHREAD
4APPINGæSIZEæHOLEæŒæOFæINTERNALæTHREADæ
"ASICæPITCHæŒæOFæINTERNALæTHREAD
ŒæNOMæOFæEXTERNALæTHREAD
"ASICæPITCHæŒæOFæEXTERNALæTHREAD
4APPINGæSIZEæHOLEæŒæOFæEXTERNALæTHREAD
0ITCH
)NCLUDEDæANGLEæOFæTHREAD
(EIGHTæOFæPEAKæTOæPEAKæTHREADæPROFILE
5PPERæTOLERANCEæLIMITæ
,OWERæTOLERANCEæLIMITæ
Cutting rate recommendations for taps
0OUNDSINCH
-ATERIALæGROUP
(ARDNESS
("
Cutting speed SFM
HSS-E
HSS-E-PM
Solid carbide
Structural steels
123,250
n
33 - 49
49 - 66
98 - 164
Free-cutting steels
145,000
n
33 - 66
49 - 82
98 - 164
Unalloyed case hardened steels
108,750
n
33 - 49
49 - 66
98 - 164
Unalloyed heat-treatable steels
123,250
n
33 - 49
49 - 66
98 - 164
Alloyed case hardened steels
123,250 - 174,000
n
26 - 39
33 - 49
82 - 131
Alloyed heat-treatable steels
123,250 - 174,000
n
26 - 39
33 - 49
82 - 131
145,000
n
20 - 33
26 - 39
82 - 131
Alloyed tool steels
High speed tool steels
95,275 - 145,000
n
20 - 33
26 - 39
82 - 131
3TAINLESSæANDæACIDRESISTANTæSTEELSæSULPHURED
123,250
n
20 - 39
26 - 49
98 - 164
æ
AUSTENITIC
123,250
n
20 - 39
26 - 49
98 - 164
æ
MARTENSITIC
123,250
n
20 - 39
26 - 49
98 - 164
Structural steels
116,000
n
33 - 49
49 - 66
98 - 164
Free-cutting steels
145,000
n
33 - 66
49 - 82
98 - 164
Case hardened steels
145,000
n
33 - 49
49 - 66
98 - 164
Heat-treatable steels
174,000
n
33 - 49
49 - 66
98 - 164
Nitriding steels
174,000
n
33 - 49
49 - 66
98 - 164
98 - 164
Spheroidal graphite iron
!LUMINIUMæANDæ!LALLOYS
58,000
éæ
33 - 66
49 - 82
n
49 - 66
66 - 82
98 - 164
!LæWROUGHTæALLOYS
58,000
n
49 - 66
66 - 82
98 - 164
!LæCASTæALLOYSæéæææ3I
87,000
n
49 - 66
66 - 82
98 - 164
æ
87,000
n
49 - 66
66 - 82
82 - 131
æææ3I
éæ
49 - 66
66 - 82
98 - 131
Spheroidal graphite iron
éæ
49 - 66
66 - 82
98 - 131
Malleable cast iron
æ
49 - 66
66 - 82
98 - 131
"RASSæSHORTCHIPPING
87,000
n
33 - 49
49 - 66
82 - 98
æ
87,000
n
33 - 49
49 - 66
82 - 98
n
16 - 33
23 - 39
33 - 66
LONGCHIPPING
Plastics
Magnesium-alloys
65,250
n
98 - 164
--
131 - 197
Titanium and Ti-alloys
174,000
n
--
7 - 26
-
Ni-alloys
174,000
n
--
7 - 26
-
Technical
Cast iron
æ7ITHæCOATEDæTOOLSæCUTTINGæSPEEDæMAYæBEæINCREASEDæBYæUPæTOæ
!PPLICATIONæALTERNATIVES
)FæTHEæOPTIMALæTAPæFORæYOURæAPPLICATIONæISæNOTæAVAILABLEæPER
HAPSæ YOUæ CANæ USEæ Aæ TAPæ WITHæ ANOTHERæ COLORæ RINGæ4HEæ TABLEæ
BELOWæGIVESæYOUæAæVIEWæTOæPOSSIBLEæALTERNATIVESæ
7EæRECOMMENDæAæMACHININGæTESTæWITHæTHEæSELECTEDæALTERNA
TIVEæTOOLæ#UTTINGæSPEEDæTOOLæLIFEæANDæMACHININGæQUALITYæMAYæ
NOTæFITæTHEæPERFORMANCEæOFæTHEæOPTIMALLYæSUITEDæTOOL
POSSIBLYæCANæBEæREPLACEDæBYæTOOLSæWITHæCOLOURæRINGæx
n
n
n
n
n
n
n
n
n
n
Tools with color ring …
æOPTIMALLYæSUITEDæ
n
n
n
n
n
n
n
æLIMITEDæSUITEDæ næNOTæSUITED
121
Cutting Rate recommendations for fluteless taps
4HANKSæTOæTHEæDEVELOPMENTæOFæMODERNæTOOLæMATERIALSæGEO
METRIESæCOATINGSæANDæRECENTLYæTHEæ'UHRINGæDEVELOPEDæIM
PROVEDæ TOOLæ SURFACEæ THEæ SCOPEæ OFæ MALLEABLEæ MATERIALSæ ABLEæ
TOæBEæFLUTELESSæTAPPEDæISæEXPANDINGææ4HEæTABLEæh#UTTINGæRATEæ
RECOMMENDATIONSvæBELOWæPROVIDESæANæOVERVIEWæOFæMATERI
ALSæTHATæCANæBEæMACHINEDæWITHæ'UHRINGSæh0ROFILEvæFLUTELESSæ
TAPSæ)NæMANYæCASESæAæTESTæINæHARDERæORæMOREæBRITTLEæMATERI
ALSæISæWORTHæWHILEæINæORDERæTOæBENEFITæFROMæTHEæADVANTAGESæ
OFæ FLUTELESSæ TAPPINGæ INæ THESEæ MATERIALSæ 0LEASEæ CONTACTæ OURæ
TECHNICALæSPECIALISTSæFORæADVICE
Cutting rate recommendations
-ATERIALæGROUP
0OUNDSææINCH
(33%0-
3OLIDæCARBIDE
123,250
n
ææ
ææ
ææ
&REECUTTINGæSTEELS
145,000
n
ææ
ææ
ææ
5NALLOYEDæCASEæHARDENEDæSTEELS
108,750
n
ææ
ææ
ææ
123,250
n
ææ
ææ
ææ
!LLOYEDæCASEæHARDENEDæSTEELS
123,250 - 174,000
n
ææ
ææ
ææ
!LLOYEDæHEATTREATABLEæSTEELS
123,250 - 174,000
n
ææ
ææ
ææ
145,000
n
ææ
ææ
ææ
!LLOYEDæTOOLæSTEELS
(IGHæSPEEDæTOOLæSTEELS
Technical
#UTTINGæSPEEDæ3&(33%
3TRUCTURALæSTEELS
5NALLOYEDæHEATTREATABLEæSTEELS
95,275 - 145,000
n
ææ
ææ
ææ
3TAINLESSæANDæACIDRESISTANTæSTEELSæSULPHURED
123,250
n
ææ
ææ
ææ
æ
AUSTENITIC
123,250
n
ææ
ææ
ææ
æ
MARTENSITIC
123,250
n
ææ
ææ
ææ
3TRUCTURALæSTEELS
116,000
n
ææ
ææ
ææ
&REECUTTINGæSTEELS
145,000
n
ææ
ææ
ææ
#ASEæHARDENEDæSTEELS
145,000
n
ææ
ææ
ææ
(EATTREATABLEæSTEELS
174,000
n
ææ
ææ
ææ
.ITRIDINGæSTEELS
174,000
n
ææ
ææ
ææ
3PHEROIDALæGRAPHITEæIRON
éæ
ææ
ææ
ææ
!LUMINIUMæANDæ!LALLOYS
58,000
n
ææ
ææ
ææ
!LæWROUGHTæALLOYS
58,000
n
ææ
ææ
ææ
!LæCASTæALLOYSæéæææ3I
87,000
n
ææ
ææ
ææ
æ
87,000
æææ3I
n
n
n
n
#ASTæIRON
éæ
n
n
n
3PHEROIDALæGRAPHITEæIRON
éæ
ææ
ææ
ææ
æ
ææ
ææ
ææ
n
ææ
ææ
ææ
n
ææ
ææ
ææ
n
n
n
n
-ALLEABLEæCASTæIRON
"RASSæSHORTCHIPPING
87,000
æ
87,000
LONGCHIPPING
0LASTICS
122
(ARDNESSæ
("
-AGNESIUMALLOYS
65,250
n
n
n
n
4ITANIUMæANDæ4IALLOYS
174,000
n
ææ
ææ
ææ
.IALLOYS
174,000
n
ææ
ææ
ææ
#UTTINGæ3PEEDSæ#ONVERSIONæFORææ4APS
Surface Feet per Minute
Tap Sizes
5'
10'
15'
20'
25'
30'
40'
50'
60'
70'
80'
90'
100'
110'
120'
130'
140'
150'
Revolutions per Minute
UNC/UNF Taps
No. 2
212
424
637
888
1110
1333
1777
2221
2665
3109
3554
3999
4442
4886
5330
5774
6218
6662
No. 3
191
382
573
772
964
1157
1543
1929
2315
2701
3086
3472
3858
4244
4629
5015
5401
5787
No. 4
174
347
521
682
853
1023
1364
1705
2046
2387
2728
3069
3411
3751
4092
4434
4775
5116
No. 5
147
294
441
611
764
917
1222
1528
1833
2139
2445
2750
3056
3361
3667
3973
4278
4584
No. 6
136
273
409
553
691
829
1106
1382
1659
1935
2212
2488
2766
3042
3318
3595
3871
4148
No. 8
119
239
358
466
583
699
932
1165
1398
1631
1864
2097
2330
2563
2796
3029
3262
3495
No. 10
101
201
302
402
502
603
804
1005
1205
1406
1607
1808
2009
2210
2411
2612
2813
3014
No. 12
87
174
260
354
442
531
707
884
1061
1238
1415
1592
1769
1945
2122
2300
2476
2653
1/4
76
153
229
306
382
458
611
764
917
1070
1222
1375
1528
1681
1833
1968
2139
2292
5/16
62
123
185
245
306
367
489
611
733
856
978
1100
1222
1345
1467
1589
1711
1833
3/8
50
101
151
204
255
305
407
509
611
713
815
917
1019
1120
1222
1324
1426
1528
7/16
43
87
130
175
219
262
349
437
524
611
698
786
873
960
1048
1135
1222
1310
1/2
38
76
115
153
191
229
305
382
458
535
611
688
764
840
917
993
1070
1146
9/16
34
68
102
137
172
206
274
342
410
478
547
616
683
752
820
888
952
1020
5/8
32
64
96
122
153
183
244
306
367
428
489
550
611
672
733
794
856
917
11/16
28
55
83
111
138
167
222
278
333
389
444
500
556
611
667
722
778
833
3/4
25
51
76
102
128
153
203
255
305
357
407
458
509
560
611
662
713
764
7/8
22
43
65
87
109
131
175
218
262
306
350
392
437
480
524
568
611
655
19
38
57
76
96
115
153
191
230
268
305
344
382
420
458
497
535
573
17
34
51
68
84
102
136
170
204
238
272
306
340
373
407
441
475
509
1 1/4
15
31
46
61
76
92
122
153
183
214
244
275
305
336
367
397
428
458
1 3/8
14
28
42
56
69
83
111
139
167
194
222
250
278
306
333
361
389
417
1 1/2
13
25
38
51
63
76
102
127
153
178
204
229
255
280
305
331
356
382
M 2.0
242
484
725
967
1209
1451
1934
2418
2901
3385
3868
4352
4835
5319
5803
6286
6770
7253
M 3.0
162
324
486
647
809
971
1295
1619
1942
2266
2590
2914
3237
3561
3885
4208
4532
4856
M 3.5
138
277
415
554
692
830
1107
1384
1661
1938
2214
2491
2768
3045
3322
3599
3875
4152
M 4.0
122
243
365
487
608
730
973
1217
1460
1703
1946
2190
2433
2676
2920
3163
3406
3650
M 5.0
97
194
291
388
485
582
776
970
1163
1357
1551
1745
1939
2133
2327
2521
2715
2909
M 6.0
81
162
243
324
405
486
647
809
971
1133
1295
1457
1619
1781
1942
2104
2266
2428
M 7.0
69
138
208
277
346
415
554
692
830
969
1107
1246
1384
1522
1661
1799
1938
2076
Metric Taps
M 8.0
61
121
182
243
303
364
485
606
728
849
970
1091
1213
1334
1455
1577
1698
1819
M 10.0
48
97
145
194
242
291
388
485
582
679
776
873
970
1067
1163
1260
1357
1454
M 12.0
40
81
121
162
202
243
324
405
486
567
647
728
809
890
971
1052
1133
1214
M 14.0
35
69
104
139
173
208
277
347
416
485
555
624
693
763
832
901
971
1040
M 16.0
30
61
91
121
152
182
243
303
364
424
485
546
606
667
728
788
849
910
M 18.0
27
54
81
108
135
162
216
269
323
377
431
485
539
593
547
700
754
808
M 20.0
24
49
73
97
121
146
194
243
291
340
388
437
485
534
582
631
680
728
M 22.0
22
44
66
88
110
132
176
221
265
309
353
397
441
485
529
573
618
662
M 24.0
20
40
61
81
101
121
162
202
243
283
323
364
404
445
485
526
566
606
M 27.0
18
36
54
72
90
108
144
180
216
252
287
323
359
395
431
467
503
539
M 30.0
16
32
49
65
81
97
129
162
194
226
259
291
323
356
388
420
453
485
123
Technical
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Guhring Substrate and Coating Descriptions
High speed steels
/NLYæHIGHæQUALITYæTOOLæMATERIALSæAREæUSEDæTOæPRODUCEæ(33æTOOLSæ3YSTEMATICæ
SELECTIONæOFæALLOYINGæELEMENTSæENSUREæTHEæTOOLæPOSSESSESæTHEæOPTIMALæCHA
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ææ#OBALTæENABLESæINCREASEDæHARDENINGæTEMPERATURESæANDæHEATRESISTANCE
Carbide
#ARBIDEæSIMILARæTOæSTEELæISæAæLESSæTHANæPRECISEæANDæINDEEDæAæVERYæGENERALæ
TERMæFORæANæENTIREæMATERIALæGROUPæ#ARBIDEæCANæBEæPRODUCEDæINæANæINFINITEæ
NUMBERæOFæVARIATIONSæWITHæDIFFERENTæCHARACTERISTICSæTHROUGHæTHEæCOMBINATI
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Carbide production
#ARBIDEæCONSISTSæOFæAæHARDNESSæCARRIERænæTUNGSTENæCARBIDEæPLUSæMAYBEæONEæ
ORæMOREæCARBIDESænæANDæANæEXTREMELYæTOUGHæCOMPONENTæ#OBALTæ#Oæ#O
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High-performance thin-film PVD coatings from Guhring
TiN
Titanium
Nitride
TiAlN
Titanium
Aluminum Nitride
FIREX®
®
Special TiN-TiAlN
nano-FIREX®
®
Special TiN-TiAlN
Super-A
™
Aluminum Titanium
Nitride
MolyGlide®
®
Identifying
Color
Coating
Process
Coating
Temperature
Layer
Structure
Thickness
(μm)
Nanohardness
(HV 0.05)
Friction
Coefficient
(fetting)
Thermal
Stability
Hard •
Wear-resistant
Gold
Physical Vapor
Depositionn
PVD
930º F
500º C
Monolayer
1.5 - 4.0
2400
0.50
1100º F
595º C
Hard •
Wear-resistant
Gray Violet
Physical Vapor
Deposition
930º F
500º C
Gradient
1.5 - 5.0
3000
0.25
840º F
450º C
Hard •
Wear-resistant
Black Violet
Physical Vapor
Deposition
PVD
930º F
500º C
Monolayer
1.5 - 4.0
3300
0.50
1470º F
800º C
Hard •
Wear-resistant
Red Violet
Physical Vapor
Deposition
PVD
930º F
500º C
Multilayer
1.5 - 5.0
3000-3300
0.50
1470º F
800º C
Hard •
Wear-resistant
Red Violet
Physical Vapor
Deposition
PVD
930º F
500º C
Micro-thin
Multilayer
1.5 - 5.0
3300
0.50
1470º F
800º C
Hard •
Wear-resistant
Dark Gray
Physical Vapor
Deposition
PVD
930º F
500º C
Monolayer
1.5 - 4.0
3800
0.60
1650º F
900º C
Soft •
Lubricating
Silver
Physical Vapor
Deposition
PVD
305º F
150º C
Monolayer
1.0
n.a.
0.10
1470º F
800º C
Hard •
Wear-resistant
Metallic
Silver
PVD
930º F
500º C
Monolayer
1.5 - 4.0
3500
0.60
1832º F
1000º C
MoS2-Based
ICE
®
Cr-Based
PVD
Physical Vapor
Deposition
Technical
TiCN
Titanium
Carbonitride
Type
125
5.#ææ5.&æ4APæ$RILLæ3IZES
Technical
81-59% Theoretical Percentage of Thread
Tap Size
dec
3-48
3-48
3-48
3-48
3-48
3-48
3-48
3-48
3-48
3-48
3-48
3-48
3-48
3-48
3-48
3-48
3-56
3-56
3-56
3-56
3-56
3-56
3-56
3-56
3-56
3-56
3-56
3-56
3-56
3-56
4-40
4-40
4-40
4-40
4-40
4-40
4-40
4-40
4-40
4-40
4-40
4-40
4-40
4-40
4-40
4-40
4-40
4-40
4-40
4-48
4-48
4-48
4-48
4-48
4-48
4-48
4-48
4-48
4-48
4-48
4-48
4-48
4-48
4-48
4-48
5-40
5-40
5-40
5-40
5-40
5-40
5-40
5-40
5-40
5-40
5-40
5-40
5-40
5-40
5-40
5-40
5-40
5-40
5-40
5-44
5-44
5-44
5-44
5-44
5-44
5-44
0.0772
0.0776
0.0780
0.0783
0.0787
0.0791
0.0795
0.0799
0.0803
0.0807
0.0811
0.0815
0.0819
0.0823
0.0827
0.0831
0.0803
0.0807
0.0811
0.0815
0.0819
0.0823
0.0827
0.0831
0.0835
0.0839
0.0843
0.0846
0.0850
0.0854
0.0858
0.0862
0.0866
0.0870
0.0874
0.0878
0.0882
0.0886
0.0890
0.0894
0.0898
0.0902
0.0906
0.0909
0.0913
0.0917
0.0921
0.0925
0.0929
0.0902
0.0906
0.0909
0.0913
0.0917
0.0921
0.0925
0.0929
0.0933
0.0937
0.0941
0.0945
0.0949
0.0953
0.0957
0.0961
0.0988
0.0992
0.0996
0.1000
0.1004
0.1008
0.1012
0.1016
0.1020
0.1024
0.1028
0.1031
0.1035
0.1039
0.1043
0.1047
0.1051
0.1055
0.1059
0.1012
0.1016
0.1020
0.1024
0.1028
0.1031
0.1035
126
Fract
Wire/
Let
5/64
47
46
45
46
45
44
43
42
3/32
41
39
38
37
38
mm
1.960
1.970
1.980
1.990
2.000
2.010
2.020
2.030
2.040
2.050
2.060
2.070
2.080
2.090
2.100
2.110
2.040
2.050
2.060
2.070
2.080
2.090
2.100
2.110
2.120
2.130
2.140
2.150
2.160
2.170
2.180
2.190
2.200
2.210
2.220
2.230
2.240
2.250
2.260
2.270
2.280
2.290
2.300
2.310
2.320
2.330
2.340
2.350
2.360
2.290
2.300
2.310
2.320
2.330
2.340
2.350
2.360
2.370
2.380
2.390
2.400
2.410
2.420
2.430
2.440
2.510
2.520
2.530
2.540
2.550
2.560
2.570
2.580
2.590
2.600
2.610
2.620
2.630
2.640
2.650
2.660
2.670
2.680
2.690
2.570
2.580
2.590
2.600
2.610
2.620
2.630
81-59% Theoretical Percentage of Thread
Theor
%
81
79
78
76
75
74
72
71
69
68
66
65
63
62
60
59
81
79
77
75
74
72
70
69
67
65
63
62
60
59
81
79
78
77
76
75
73
72
71
70
68
67
66
65
64
63
61
60
59
81
79
78
76
75
74
72
71
69
68
66
65
63
62
60
59
81
79
78
77
76
75
73
72
71
70
68
67
66
65
64
63
61
60
59
81
79
78
77
75
74
73
Tap Size
dec
5-44
5-44
5-44
5-44
5-44
5-44
5-44
5-44
5-44
5-44
6-32
6-32
6-32
6-32
6-32
6-32
6-32
6-32
6-32
6-32
6-32
6-32
6-32
6-32
6-32
6-32
6-32
6-32
6-32
6-32
6-32
6-32
6-32
6-32
6-40
6-40
6-40
6-40
6-40
6-40
6-40
6-40
6-40
6-40
6-40
6-40
6-40
6-40
6-40
6-40
6-40
6-40
6-40
8-32
8-32
8-32
8-32
8-32
8-32
8-32
8-32
8-32
8-32
8-32
8-32
8-32
8-32
8-32
8-32
8-32
8-32
8-32
8-32
8-32
8-32
8-32
8-32
8-36
8-36
8-36
8-36
8-36
8-36
8-36
8-36
8-36
8-36
8-36
8-36
8-36
8-36
0.1039
0.1043
0.1047
0.1051
0.1055
0.1059
0.1063
0.1067
0.1071
0.1075
0.1051
0.1055
0.1059
0.1063
0.1067
0.1071
0.1075
0.1079
0.1083
0.1087
0.1091
0.1094
0.1098
0.1102
0.1106
0.1110
0.1114
0.1118
0.1122
0.1126
0.1130
0.1134
0.1138
0.1142
0.1118
0.1122
0.1126
0.1130
0.1134
0.1138
0.1142
0.1146
0.1150
0.1154
0.1157
0.1161
0.1165
0.1169
0.1173
0.1177
0.1181
0.1185
0.1189
0.1311
0.1315
0.1319
0.1323
0.1327
0.1331
0.1335
0.1339
0.1343
0.1346
0.1350
0.1354
0.1358
0.1362
0.1366
0.1370
0.1374
0.1378
0.1382
0.1386
0.1390
0.1394
0.1398
0.1402
0.1346
0.1350
0.1354
0.1358
0.1362
0.1366
0.1370
0.1374
0.1378
0.1382
0.1386
0.1390
0.1394
0.1398
Fract
Wire/
Let
37
36
36
7/64
35
34
33
33
32
29
29
mm
2.640
2.650
2.660
2.670
2.680
2.690
2.700
2.710
2.720
2.730
2.670
2.680
2.690
2.700
2.710
2.720
2.730
2.740
2.750
2.760
2.770
2.780
2.790
2.800
2.810
2.820
2.830
2.840
2.850
2.860
2.870
2.880
2.890
2.900
2.840
2.850
2.860
2.870
2.880
2.890
2.900
2.910
2.920
2.930
2.940
2.950
2.960
2.970
2.980
2.990
3.000
3.010
3.020
3.330
3.340
3.350
3.360
3.370
3.380
3.390
3.400
3.410
3.420
3.430
3.440
3.450
3.460
3.470
3.480
3.490
3.500
3.510
3.520
3.530
3.540
3.550
3.560
3.420
3.430
3.440
3.450
3.460
3.470
3.480
3.490
3.500
3.510
3.520
3.530
3.540
3.550
81-59% Theoretical Percentage of Thread
Theor
%
71
70
69
67
66
65
63
62
61
59
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
67
66
65
64
63
62
61
60
59
81
79
78
77
76
75
73
72
71
70
69
67
66
65
64
63
61
60
59
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
67
66
65
64
63
62
61
60
59
81
80
79
78
77
76
75
74
73
72
70
69
68
67
Tap Size
dec
8-36
8-36
8-36
8-36
8-36
8-36
8-36
10-24
10-24
10-24
10-24
10-24
10-24
10-24
10-24
10-24
10-24
10-24
10-24
10-24
10-24
10-24
10-24
10-24
10-24
10-24
10-24
10-24
10-24
10-24
10-24
10-24
10-24
10-24
10-24
10-24
10-24
10-24
10-24
10-32
10-32
10-32
10-32
10-32
10-32
10-32
10-32
10-32
10-32
10-32
10-32
10-32
10-32
10-32
10-32
10-32
10-32
10-32
10-32
10-32
10-32
10-32
10-32
12-24
12-24
12-24
12-24
12-24
12-24
12-24
12-24
12-24
12-24
12-24
12-24
12-24
12-24
12-24
12-24
12-24
12-24
12-24
12-24
12-24
12-24
12-24
12-24
12-24
12-24
12-24
12-24
0.1402
0.1406
0.1409
0.1413
0.1417
0.1421
0.1425
0.1461
0.1465
0.1469
0.1472
0.1476
0.1480
0.1484
0.1488
0.1492
0.1496
0.1500
0.1504
0.1508
0.1512
0.1516
0.1520
0.1524
0.1528
0.1531
0.1535
0.1539
0.1543
0.1547
0.1551
0.1555
0.1559
0.1563
0.1567
0.1571
0.1575
0.1579
0.1583
0.1571
0.1575
0.1579
0.1583
0.1587
0.1591
0.1594
0.1598
0.1602
0.1606
0.1610
0.1614
0.1618
0.1622
0.1626
0.1630
0.1634
0.1638
0.1642
0.1646
0.1650
0.1654
0.1657
0.1661
0.1720
0.1724
0.1728
0.1732
0.1736
0.1740
0.1744
0.1748
0.1752
0.1756
0.1760
0.1764
0.1768
0.1772
0.1776
0.1780
0.1783
0.1787
0.1791
0.1795
0.1799
0.1803
0.1807
0.1811
0.1815
0.1819
0.1823
0.1827
Fract
Wire/
Let
9/64
28
26
25
24
23
5/32
22
22
21
20
19
11/64
17
16
15
14
mm
3.560
3.570
3.580
3.590
3.600
3.610
3.620
3.710
3.720
3.730
3.740
3.750
3.760
3.770
3.780
3.790
3.800
3.810
3.820
3.830
3.840
3.850
3.860
3.870
3.880
3.890
3.900
3.910
3.920
3.930
3.940
3.950
3.960
3.970
3.980
3.990
4.000
4.010
4.020
3.990
4.000
4.010
4.020
4.030
4.040
4.050
4.060
4.070
4.080
4.090
4.100
4.110
4.120
4.130
4.140
4.150
4.160
4.170
4.180
4.190
4.200
4.210
4.220
4.370
4.380
4.390
4.400
4.410
4.420
4.430
4.440
4.450
4.460
4.470
4.480
4.490
4.500
4.510
4.520
4.530
4.540
4.550
4.560
4.570
4.580
4.590
4.600
4.610
4.620
4.630
4.640
Theor
%
66
65
64
63
62
61
60
81
80
80
79
78
78
77
76
75
75
74
73
72
72
71
70
69
69
68
67
67
66
65
64
64
63
62
62
61
60
59
59
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
67
66
65
64
63
62
61
60
59
81
81
80
79
78
78
77
76
75
75
74
73
72
72
71
70
70
69
68
67
67
66
65
64
64
63
62
62
5.#ææ5.&æ4APæ$RILLæ3IZES
81-59% Theoretical Percentage of Thread
dec
12-24
12-24
12-24
12-24
12-28
12-28
12-28
12-28
12-28
12-28
12-28
12-28
12-28
12-28
12-28
12-28
12-28
12-28
12-28
12-28
12-28
12-28
12-28
12-28
12-28
12-28
12-28
12-28
12-28
12-28
12-28
1/4-20
1/4-20
1/4-20
1/4-20
1/4-20
1/4-20
1/4-20
1/4-20
1/4-20
1/4-20
1/4-20
1/4-20
1/4-20
1/4-28
1/4-28
1/4-28
1/4-28
1/4-28
1/4-28
1/4-28
1/4-28
1/4-28
5/16-18
5/16-18
5/16-18
5/16-18
5/16-18
5/16-18
5/16-18
5/16-18
5/16-18
5/16-18
5/16-18
5/16-24
5/16-24
5/16-24
5/16-24
5/16-24
5/16-24
5/16-24
3/8-16
3/8-16
3/8-16
3/8-16
3/8-16
3/8-16
3/8-16
3/8-16
3/8-16
3/8-16
3/8-16
3/8-16
3/8-24
3/8-24
3/8-24
3/8-24
3/8-24
3/8-24
7/16-14
7/16-14
0.1831
0.1835
0.1839
0.1843
0.1783
0.1787
0.1791
0.1795
0.1799
0.1803
0.1807
0.1811
0.1815
0.1819
0.1823
0.1827
0.1831
0.1835
0.1839
0.1843
0.1846
0.1850
0.1854
0.1858
0.1862
0.1866
0.1870
0.1874
0.1878
0.1882
0.1886
0.1988
0.1992
0.2008
0.2012
0.2028
0.2031
0.2039
0.2047
0.2055
0.2067
0.2087
0.2091
0.2106
0.2126
0.2130
0.2146
0.2165
0.2185
0.2189
0.2205
0.2209
0.2224
0.2539
0.2559
0.2571
0.2579
0.2598
0.2610
0.2618
0.2638
0.2657
0.2677
0.2697
0.2697
0.2717
0.2736
0.2756
0.2768
0.2776
0.2795
0.3091
0.3110
0.3126
0.3130
0.3150
0.3161
0.3169
0.3189
0.3209
0.3228
0.3248
0.3268
0.3327
0.3346
0.3366
0.3386
0.3406
0.3425
0.3622
0.3642
Fract
Wire/
Let
15
14
13
3/16
8
7
13/64
6
5
4
3
7/32
2
F
G
17/64
H
I
J
5/16
O
P
mm
4.650
4.660
4.670
4.680
4.530
4.540
4.550
4.560
4.570
4.580
4.590
4.600
4.610
4.620
4.630
4.640
4.650
4.660
4.670
4.680
4.690
4.700
4.710
4.720
4.730
4.740
4.750
4.760
4.770
4.780
4.790
5.050
5.060
5.100
5.110
5.150
5.160
5.180
5.200
5.220
5.250
5.300
5.310
5.350
5.400
5.410
5.450
5.500
5.550
5.560
5.600
5.610
5.650
6.450
6.500
6.530
6.550
6.600
6.630
6.650
6.700
6.750
6.800
6.850
6.850
6.900
6.950
7.000
7.030
7.050
7.100
7.850
7.900
7.940
7.950
8.000
8.030
8.050
8.100
8.150
8.200
8.250
8.300
8.450
8.500
8.550
8.600
8.650
8.700
9.200
9.250
81-59% Theoretical Percentage of Thread
Theor
%
61
60
59
59
81
80
80
79
78
77
76
75
74
74
73
72
71
70
69
68
68
67
66
65
64
63
63
62
61
60
59
79
78
76
75
73
72
71
70
69
67
64
63
61
81
80
76
72
68
67
64
63
59
81
78
77
76
73
71
70
67
65
62
59
79
75
72
68
66
64
61
81
79
77
76
74
73
72
69
67
64
62
59
78
75
71
67
64
60
81
79
Tap Size
dec
7/16-14
7/16-14
7/16-14
7/16-14
7/16-14
7/16-14
7/16-14
7/16-14
7/16-14
7/16-14
7/16-14
7/16-14
7/16-20
7/16-20
7/16-20
7/16-20
7/16-20
7/16-20
7/16-20
7/16-20
7/16-20
1/2-13
1/2-13
1/2-13
1/2-13
1/2-13
1/2-13
1/2-13
1/2-13
1/2-13
1/2-13
1/2-13
1/2-13
1/2-13
1/2-13
1/2-20
1/2-20
1/2-20
1/2-20
1/2-20
1/2-20
1/2-20
1/2-20
9/16-12
9/16-12
9/16-12
9/16-12
9/16-12
9/16-12
9/16-12
9/16-12
9/16-12
9/16-12
9/16-12
9/16-12
9/16-12
9/16-18
9/16-18
9/16-18
9/16-18
9/16-18
9/16-18
9/16-18
9/16-18
9/16-18
5/8-11
5/8-11
5/8-11
5/8-11
5/8-11
5/8-11
5/8-11
5/8-11
5/8-11
5/8-11
5/8-11
5/8-11
5/8-11
5/8-11
5/8-11
5/8-11
5/8-18
5/8-18
5/8-18
5/8-18
5/8-18
5/8-18
5/8-18
5/8-18
5/8-18
5/8-18
0.3661
0.3677
0.3681
0.3701
0.3720
0.3740
0.3748
0.3760
0.3772
0.3780
0.3799
0.3819
0.3858
0.3878
0.3898
0.3906
0.3917
0.3937
0.3957
0.3969
0.3976
0.4193
0.4213
0.4220
0.4232
0.4252
0.4272
0.4291
0.4311
0.4331
0.4350
0.4370
0.4374
0.4390
0.4409
0.4488
0.4508
0.4528
0.4531
0.4547
0.4567
0.4587
0.4606
0.4744
0.4764
0.4783
0.4803
0.4823
0.4843
0.4862
0.4882
0.4902
0.4921
0.4941
0.4961
0.4980
0.5039
0.5059
0.5079
0.5098
0.5118
0.5138
0.5157
0.5177
0.5197
0.5295
0.5311
0.5315
0.5335
0.5354
0.5374
0.5394
0.5413
0.5433
0.5453
0.5469
0.5472
0.5492
0.5512
0.5531
0.5551
0.5669
0.5689
0.5709
0.5728
0.5748
0.5768
0.5780
0.5787
0.5807
0.5827
Fract
Wire/
Let
U
3/8
V
W
25/64
X
27/64
7/16
29/64
31/64
33/64
17/32
35/64
37/64
mm
9.300
9.340
9.350
9.400
9.450
9.500
9.520
9.550
9.580
9.600
9.650
9.700
9.800
9.850
9.900
9.920
9.950
10.000
10.050
10.080
10.100
10.650
10.700
10.720
10.750
10.800
10.850
10.900
10.950
11.000
11.050
11.100
11.110
11.150
11.200
11.400
11.450
11.500
11.510
11.550
11.600
11.650
11.700
12.050
12.100
12.150
12.200
12.250
12.300
12.350
12.400
12.450
12.500
12.550
12.600
12.650
12.800
12.850
12.900
12.950
13.000
13.050
13.100
13.150
13.200
13.450
13.490
13.500
13.550
13.600
13.650
13.700
13.750
13.800
13.850
13.890
13.900
13.950
14.000
14.050
14.100
14.400
14.450
14.500
14.550
14.600
14.650
14.680
14.700
14.750
14.800
81-59% Theoretical Percentage of Thread
Theor
%
77
75
75
73
71
68
68
66
65
64
62
60
80
77
73
72
71
67
64
63
61
81
79
78
77
75
73
71
69
67
65
63
63
61
59
79
76
73
72
70
67
64
61
81
80
78
76
74
72
70
69
67
65
63
61
60
81
78
76
73
70
67
65
62
59
81
80
79
77
76
74
72
71
69
67
66
66
64
62
61
59
81
78
75
72
70
67
65
64
61
59
Tap Size
dec
3/4-10
3/4-10
3/4-10
3/4-10
3/4-10
3/4-10
3/4-10
3/4-10
3/4-10
3/4-10
3/4-10
3/4-10
3/4-10
3/4-10
3/4-10
3/4-10
3/4-10
3/4-16
3/4-16
3/4-16
3/4-16
3/4-16
3/4-16
3/4-16
3/4-16
3/4-16
3/4-16
7/8-9
7/8-9
7/8-9
7/8-9
7/8-9
7/8-9
7/8-9
7/8-9
7/8-9
7/8-9
7/8-9
7/8-9
7/8-9
7/8-9
7/8-9
7/8-9
7/8-9
7/8-9
7/8-14
7/8-14
7/8-14
7/8-14
7/8-14
7/8-14
7/8-14
7/8-14
7/8-14
7/8-14
7/8-14
1-8
1-8
1-8
1-8
1-8
1-8
1-8
1-8
1-8
1-8
1-8
1-8
1-8
1-8
1-8
1-8
1-8
1-8
1-8
1-8
1-8
1-12
1-12
1-12
1-12
1-12
1-12
1-12
1-12
1-12
1-12
1-12
1-12
1-12
0.6457
0.6476
0.6496
0.6516
0.6535
0.6555
0.6563
0.6575
0.6594
0.6614
0.6634
0.6654
0.6673
0.6693
0.6713
0.6720
0.6732
0.6850
0.6870
0.6874
0.6890
0.6909
0.6929
0.6949
0.6969
0.6988
0.7008
0.7579
0.7598
0.7618
0.7638
0.7657
0.7677
0.7697
0.7717
0.7736
0.7756
0.7776
0.7795
0.7811
0.7815
0.7835
0.7854
0.7874
0.7894
0.8012
0.8031
0.8051
0.8071
0.8091
0.8110
0.8126
0.8130
0.8150
0.8169
0.8189
0.8681
0.8701
0.8720
0.8740
0.8748
0.8760
0.8780
0.8799
0.8819
0.8839
0.8858
0.8878
0.8898
0.8906
0.8917
0.8937
0.8957
0.8976
0.8996
0.9016
0.9035
0.9134
0.9154
0.9173
0.9193
0.9213
0.9220
0.9232
0.9252
0.9272
0.9291
0.9311
0.9331
0.9350
Fract
21/32
43/64
11/16
49/64
25/32
13/16
7/8
57/64
59/64
Wire/
Let
mm
16.400
16.450
16.500
16.550
16.600
16.650
16.670
16.700
16.750
16.800
16.850
16.900
16.950
17.000
17.050
17.070
17.100
17.400
17.450
17.460
17.500
17.550
17.600
17.650
17.700
17.750
17.800
19.250
19.300
19.350
19.400
19.450
19.500
19.550
19.600
19.650
19.700
19.750
19.800
19.840
19.850
19.900
19.950
20.000
20.050
20.350
20.400
20.450
20.500
20.550
20.600
20.640
20.650
20.700
20.750
20.800
22.050
22.100
22.150
22.200
22.220
22.250
22.300
22.350
22.400
22.450
22.500
22.550
22.600
22.620
22.650
22.700
22.750
22.800
22.850
22.900
22.950
23.200
23.250
23.300
23.350
23.400
23.420
23.450
23.500
23.550
23.600
23.650
23.700
23.750
Theor
%
80
79
77
76
74
73
72
71
70
68
67
65
64
62
61
60
59
80
78
77
75
73
70
68
65
63
61
81
80
78
77
76
74
73
72
70
69
67
66
65
65
63
62
61
59
80
77
75
73
71
69
67
67
65
63
60
81
80
79
78
77
76
75
74
73
72
70
69
68
67
67
65
64
63
62
61
59
80
78
76
75
73
72
71
69
67
65
64
62
60
127
Technical
Tap Size
-ETRICæ4APæ$RILLæ3IZES
Technical
81-59% Theoretical Percentage of Thread
Tap Size
dec
M3x0.35
M3x0.35
M3x0.35
M3x0.35
M3x0.35
M3x0.35
M3x0.35
M3x0.35
M3x0.35
M3x0.35
M3x0.35
M3x0.50
M3x0.50
M3x0.50
M3x0.50
M3x0.50
M3x0.50
M3x0.50
M3x0.50
M3x0.50
M3x0.50
M3x0.50
M3x0.50
M3x0.50
M3x0.50
M3x0.50
M3.5x0.60
M3.5x0.60
M3.5x0.60
M3.5x0.60
M3.5x0.60
M3.5x0.60
M3.5x0.60
M3.5x0.60
M3.5x0.60
M3.5x0.60
M3.5x0.60
M3.5x0.60
M3.5x0.60
M3.5x0.60
M3.5x0.60
M3.5x0.60
M3.5x0.60
M3.5x0.60
M4x0.50
M4x0.50
M4x0.50
M4x0.50
M4x0.50
M4x0.50
M4x0.50
M4x0.50
M4x0.50
M4x0.50
M4x0.50
M4x0.50
M4x0.50
M4x0.50
M4x0.50
M4x0.70
M4x0.70
M4x0.70
M4x0.70
M4x0.70
M4x0.70
M4x0.70
M4x0.70
M4x0.70
M4x0.70
M4x0.70
M4x0.70
M4x0.70
M4x0.70
M4x0.70
M4x0.70
M4x0.70
M4x0.70
M4x0.70
M4x0.70
M4x0.70
M5x0.50
M5x0.50
M5x0.50
M5x0.50
M5x0.50
M5x0.50
M5x0.50
M5x0.50
M5x0.50
M5x0.50
M5x0.50
0.1035
0.1039
0.1043
0.1047
0.1051
0.1055
0.1059
0.1063
0.1067
0.1071
0.1075
0.0976
0.0980
0.0984
0.0988
0.0992
0.0996
0.1000
0.1004
0.1008
0.1012
0.1016
0.1020
0.1024
0.1028
0.1031
0.1130
0.1134
0.1138
0.1142
0.1146
0.1150
0.1154
0.1157
0.1161
0.1165
0.1169
0.1173
0.1177
0.1181
0.1185
0.1189
0.1193
0.1197
0.1370
0.1374
0.1378
0.1382
0.1386
0.1390
0.1394
0.1398
0.1402
0.1406
0.1409
0.1413
0.1417
0.1421
0.1425
0.1283
0.1287
0.1291
0.1295
0.1299
0.1303
0.1307
0.1311
0.1315
0.1319
0.1323
0.1327
0.1331
0.1335
0.1339
0.1343
0.1346
0.1350
0.1354
0.1358
0.1362
0.1764
0.1768
0.1772
0.1776
0.1780
0.1783
0.1787
0.1791
0.1795
0.1799
0.1803
128
Fract
Wire/
Let
37
36
40
39
38
33
32
9/64
28
30
29
16
15
mm
2.630
2.640
2.650
2.660
2.670
2.680
2.690
2.700
2.710
2.720
2.730
2.480
2.490
2.500
2.510
2.520
2.530
2.540
2.550
2.560
2.570
2.580
2.590
2.600
2.610
2.620
2.870
2.880
2.890
2.900
2.910
2.920
2.930
2.940
2.950
2.960
2.970
2.980
2.990
3.000
3.010
3.020
3.030
3.040
3.480
3.490
3.500
3.510
3.520
3.530
3.540
3.550
3.560
3.570
3.580
3.590
3.600
3.610
3.620
3.260
3.270
3.280
3.290
3.300
3.310
3.320
3.330
3.340
3.350
3.360
3.370
3.380
3.390
3.400
3.410
3.420
3.430
3.440
3.450
3.460
4.480
4.490
4.500
4.510
4.520
4.530
4.540
4.550
4.560
4.570
4.580
81-59% Theoretical Percentage of Thread
Theor
%
81
79
77
75
73
70
68
66
64
62
59
80
79
77
75
74
72
71
69
68
66
65
63
62
60
59
81
80
78
77
76
74
73
72
71
69
68
67
65
64
63
62
60
59
80
79
77
75
74
72
71
69
68
66
65
63
62
60
59
81
80
79
78
77
76
75
74
73
71
70
69
68
67
66
65
64
63
62
60
59
80
79
77
75
74
72
71
69
68
66
65
Tap Size
dec
M5x0.50
M5x0.50
M5x0.50
M5x0.50
M5x0.80
M5x0.80
M5x0.80
M5x0.80
M5x0.80
M5x0.80
M5x0.80
M5x0.80
M5x0.80
M5x0.80
M5x0.80
M5x0.80
M5x0.80
M5x0.80
M5x0.80
M5x0.80
M5x0.80
M5x0.80
M5x0.80
M5x0.80
M5x0.80
M5x0.80
M5x0.80
M5x0.80
M6x0.50
M6x0.50
M6x0.50
M6x0.50
M6x0.50
M6x0.75
M6x0.75
M6x0.75
M6x0.75
M6x0.75
M6x0.75
M6x0.75
M6x1.00
M6x1.00
M6x1.00
M6x1.00
M6x1.00
M6x1.00
M6x1.00
M6x1.00
M6x1.00
M6x1.00
M6x1.00
M6x1.00
M6x1.00
M6x1.00
M6x1.00
M7x0.75
M7x0.75
M7x0.75
M7x0.75
M7x1.00
M7x1.00
M7x1.00
M7x1.00
M7x1.00
M7x1.00
M7x1.00
M8x0.50
M8x0.50
M8x0.50
M8x0.50
M8x0.50
M8x0.75
M8x0.75
M8x0.75
M8x0.75
M8x0.75
M8x1.00
M8x1.00
M8x1.00
M8x1.00
M8x1.00
M8x1.00
M8x1.00
M8x1.00
M8x1.25
M8x1.25
M8x1.25
M8x1.25
M8x1.25
M8x1.25
M8x1.25
0.1807
0.1811
0.1815
0.1819
0.1638
0.1642
0.1646
0.1650
0.1654
0.1657
0.1661
0.1665
0.1669
0.1673
0.1677
0.1681
0.1685
0.1689
0.1693
0.1697
0.1701
0.1705
0.1709
0.1713
0.1717
0.1720
0.1724
0.1728
0.2165
0.2185
0.2189
0.2205
0.2209
0.2055
0.2067
0.2087
0.2091
0.2106
0.2126
0.2130
0.1949
0.1953
0.1957
0.1961
0.1965
0.1969
0.1988
0.1992
0.2008
0.2012
0.2028
0.2031
0.2039
0.2047
0.2055
0.2461
0.2480
0.2500
0.2520
0.2343
0.2362
0.2378
0.2382
0.2402
0.2421
0.2441
0.2949
0.2953
0.2969
0.2972
0.2992
0.2854
0.2874
0.2894
0.2902
0.2913
0.2736
0.2756
0.2768
0.2776
0.2795
0.2811
0.2815
0.2835
0.2638
0.2657
0.2677
0.2697
0.2717
0.2736
0.2756
Fract
Wire/
Let
14
19
18
11/64
17
7/32
2
5
4
3
9
8
7
13/64
6
5
D
1/4
E
15/64
B
C
M
19/64
L
J
9/32
17/64
K
H
I
mm
4.590
4.600
4.610
4.620
4.160
4.170
4.180
4.190
4.200
4.210
4.220
4.230
4.240
4.250
4.260
4.270
4.280
4.290
4.300
4.310
4.320
4.330
4.340
4.350
4.360
4.370
4.380
4.390
5.500
5.550
5.560
5.600
5.610
5.220
5.250
5.300
5.310
5.350
5.400
5.410
4.950
4.960
4.970
4.980
4.990
5.000
5.050
5.060
5.100
5.110
5.150
5.160
5.180
5.200
5.220
6.250
6.300
6.350
6.400
5.950
6.000
6.040
6.050
6.100
6.150
6.200
7.490
7.500
7.540
7.550
7.600
7.250
7.300
7.350
7.370
7.400
6.950
7.000
7.030
7.050
7.100
7.140
7.150
7.200
6.700
6.750
6.800
6.850
6.900
6.950
7.000
81-59% Theoretical Percentage of Thread
Theor
%
63
62
60
59
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
64
63
62
61
60
59
77
69
68
62
60
80
77
72
71
67
62
61
81
80
79
79
78
77
73
72
69
69
65
65
63
62
60
77
72
67
62
81
77
74
73
69
65
62
79
77
71
69
62
77
72
67
65
62
81
77
75
73
69
66
65
62
80
77
74
71
68
65
62
Tap Size
dec
M8x1.25
M8x1.25
M9x1.00
M9x1.00
M9x1.00
M9x1.00
M9x1.00
M9x1.00
M9x1.00
M10x0.75
M10x0.75
M10x0.75
M10x0.75
M10x0.75
M10x1.00
M10x1.00
M10x1.00
M10x1.00
M10x1.00
M10x1.00
M10x1.00
M10x1.00
M10x1.25
M10x1.25
M10x1.25
M10x1.25
M10x1.25
M10x1.25
M10x1.25
M10x1.25
M10x1.25
M10x1.25
M10x1.50
M10x1.50
M10x1.50
M10x1.50
M10x1.50
M10x1.50
M10x1.50
M10x1.50
M10x1.50
M10x1.50
M10x1.50
M10x1.50
M10x1.50
M11x1.00
M11x1.00
M11x1.00
M11x1.00
M11x1.00
M11x1.00
M11x1.00
M12x1.00
M12x1.00
M12x1.00
M12x1.00
M12x1.00
M12x1.00
M12x1.00
M12x1.25
M12x1.25
M12x1.25
M12x1.25
M12x1.25
M12x1.25
M12x1.25
M12x1.25
M12x1.25
M12x1.50
M12x1.50
M12x1.50
M12x1.50
M12x1.50
M12x1.50
M12x1.50
M12x1.50
M12x1.50
M12x1.50
M12x1.50
M12x1.75
M12x1.75
M12x1.75
M12x1.75
M12x1.75
M12x1.75
M12x1.75
M12x1.75
M12x1.75
M12x1.75
M12x1.75
M12x1.75
0.2768
0.2776
0.3130
0.3150
0.3161
0.3169
0.3189
0.3209
0.3228
0.3642
0.3661
0.3677
0.3681
0.3701
0.3524
0.3543
0.3563
0.3579
0.3583
0.3594
0.3602
0.3622
0.3425
0.3437
0.3445
0.3465
0.3480
0.3484
0.3504
0.3524
0.3543
0.3563
0.3319
0.3327
0.3346
0.3366
0.3386
0.3390
0.3406
0.3425
0.3437
0.3445
0.3465
0.3480
0.3484
0.3917
0.3937
0.3957
0.3969
0.3976
0.3996
0.4016
0.4311
0.4331
0.4350
0.4370
0.4374
0.4390
0.4409
0.4213
0.4220
0.4232
0.4252
0.4272
0.4291
0.4311
0.4331
0.4350
0.4114
0.4130
0.4134
0.4154
0.4173
0.4193
0.4213
0.4220
0.4232
0.4252
0.4272
0.3996
0.4016
0.4035
0.4039
0.4055
0.4063
0.4075
0.4094
0.4114
0.4130
0.4134
0.4154
Fract
Wire/
Let
J
O
P
U
T
23/64
11/32
S
Q
R
11/32
S
X
7/16
27/64
Z
27/64
Y
13/32
Z
mm
7.030
7.050
7.950
8.000
8.030
8.050
8.100
8.150
8.200
9.250
9.300
9.340
9.350
9.400
8.950
9.000
9.050
9.090
9.100
9.130
9.150
9.200
8.700
8.730
8.750
8.800
8.840
8.850
8.900
8.950
9.000
9.050
8.430
8.450
8.500
8.550
8.600
8.610
8.650
8.700
8.730
8.750
8.800
8.840
8.850
9.950
10.000
10.050
10.080
10.100
10.150
10.200
10.950
11.000
11.050
11.100
11.110
11.150
11.200
10.700
10.720
10.750
10.800
10.850
10.900
10.950
11.000
11.050
10.450
10.490
10.500
10.550
10.600
10.650
10.700
10.720
10.750
10.800
10.850
10.150
10.200
10.250
10.260
10.300
10.320
10.350
10.400
10.450
10.490
10.500
10.550
Theor
%
60
59
81
77
75
73
69
65
62
77
72
68
67
62
81
77
73
70
69
67
65
62
80
78
77
74
71
71
68
65
62
59
81
80
77
74
72
71
69
67
65
64
62
60
59
81
77
73
71
69
65
62
81
77
73
69
69
65
62
80
79
77
74
71
68
65
62
59
80
77
77
74
72
69
67
66
64
62
59
81
79
77
77
75
74
73
70
68
66
66
64
-ETRICæ4APæ$RILLæ3IZES
81-59% Theoretical Percentage of Thread
dec
M12x1.75
M12x1.75
M14x1.00
M14x1.00
M14x1.00
M14x1.00
M14x1.00
M14x1.00
M14x1.25
M14x1.25
M14x1.25
M14x1.25
M14x1.25
M14x1.25
M14x1.25
M14x1.25
M14x1.50
M14x1.50
M14x1.50
M14x1.50
M14x1.50
M14x1.50
M14x1.50
M14x1.50
M14x1.50
M14x2.00
M14x2.00
M14x2.00
M14x2.00
M14x2.00
M14x2.00
M14x2.00
M14x2.00
M14x2.00
M14x2.00
M14x2.00
M14x2.00
M14x2.00
M15x1.00
M15x1.00
M15x1.00
M15x1.00
M15x1.00
M15x1.00
M15x1.50
M15x1.50
M15x1.50
M15x1.50
M15x1.50
M15x1.50
M15x1.50
M15x1.50
M15x1.50
M15x1.50
M16x1.00
M16x1.00
M16x1.00
M16x1.00
M16x1.00
M16x1.00
M16x1.00
M16x1.50
M16x1.50
M16x1.50
M16x1.50
M16x1.50
M16x1.50
M16x1.50
M16x1.50
M16x1.50
M16x2.00
M16x2.00
M16x2.00
M16x2.00
M16x2.00
M16x2.00
M16x2.00
M16x2.00
M16x2.00
M16x2.00
M16x2.00
M16x2.00
M16x2.00
M16x2.00
M18x1.00
M18x1.00
M18x1.00
M18x1.00
M18x1.00
M18x1.00
0.4173
0.4193
0.5098
0.5118
0.5138
0.5157
0.5177
0.5197
0.5000
0.5020
0.5039
0.5059
0.5079
0.5098
0.5118
0.5138
0.4902
0.4921
0.4941
0.4961
0.4980
0.5000
0.5020
0.5039
0.5059
0.4685
0.4689
0.4705
0.4724
0.4744
0.4764
0.4783
0.4803
0.4823
0.4843
0.4862
0.4882
0.4902
0.5492
0.5512
0.5531
0.5551
0.5571
0.5591
0.5295
0.5311
0.5315
0.5335
0.5354
0.5374
0.5394
0.5413
0.5433
0.5453
0.5886
0.5906
0.5925
0.5937
0.5945
0.5965
0.5984
0.5689
0.5709
0.5728
0.5748
0.5768
0.5787
0.5807
0.5827
0.5846
0.5469
0.5472
0.5492
0.5512
0.5531
0.5551
0.5571
0.5591
0.5610
0.5626
0.5630
0.5650
0.5669
0.5689
0.6673
0.6693
0.6713
0.6720
0.6732
0.6752
Fract
33/64
1/2
1/2
15/32
31/64
17/32
19/32
35/64
9/16
43/64
Wire/
Let
mm
10.600
10.650
12.950
13.000
13.050
13.100
13.150
13.200
12.700
12.750
12.800
12.850
12.900
12.950
13.000
13.050
12.450
12.500
12.550
12.600
12.650
12.700
12.750
12.800
12.850
11.900
11.910
11.950
12.000
12.050
12.100
12.150
12.200
12.250
12.300
12.350
12.400
12.450
13.950
14.000
14.050
14.100
14.150
14.200
13.450
13.490
13.500
13.550
13.600
13.650
13.700
13.750
13.800
13.850
14.950
15.000
15.050
15.080
15.100
15.150
15.200
14.450
14.500
14.550
14.600
14.650
14.700
14.750
14.800
14.850
13.890
13.900
13.950
14.000
14.050
14.100
14.150
14.200
14.250
14.290
14.300
14.350
14.400
14.450
16.950
17.000
17.050
17.070
17.100
17.150
81-59% Theoretical Percentage of Thread
Theor
%
62
59
81
77
73
69
65
62
80
77
74
71
68
65
62
59
80
77
74
72
69
67
64
62
59
81
80
79
77
75
73
71
69
67
65
64
62
60
81
77
73
69
65
62
80
77
77
74
72
69
67
64
62
59
81
77
73
71
69
65
62
80
77
74
72
69
67
64
62
59
81
81
79
77
75
73
71
69
67
66
65
64
62
60
81
77
73
72
69
65
Tap Size
dec
M18x1.00
M18x1.50
M18x1.50
M18x1.50
M18x1.50
M18x1.50
M18x1.50
M18x1.50
M18x1.50
M18x1.50
M18x1.50
M18x2.00
M18x2.00
M18x2.00
M18x2.00
M18x2.00
M18x2.00
M18x2.00
M18x2.00
M18x2.00
M18x2.00
M18x2.00
M18x2.00
M18x2.00
M18x2.50
M18x2.50
M18x2.50
M18x2.50
M18x2.50
M18x2.50
M18x2.50
M18x2.50
M18x2.50
M18x2.50
M18x2.50
M18x2.50
M18x2.50
M18x2.50
M18x2.50
M18x2.50
M18x2.50
M20x1.50
M20x1.50
M20x1.50
M20x1.50
M20x1.50
M20x1.50
M20x1.50
M20x1.50
M20x1.50
M20x2.00
M20x2.00
M20x2.00
M20x2.00
M20x2.00
M20x2.00
M20x2.00
M20x2.00
M20x2.00
M20x2.00
M20x2.00
M20x2.00
M20x2.00
M20x2.50
M20x2.50
M20x2.50
M20x2.50
M20x2.50
M20x2.50
M20x2.50
M20x2.50
M20x2.50
M20x2.50
M20x2.50
M20x2.50
M20x2.50
M20x2.50
M20x2.50
M20x2.50
M20x2.50
M22x1.00
M22x1.00
M22x1.00
M22x1.00
M22x1.00
M22x1.00
M22x1.00
M22x1.50
M22x1.50
M22x1.50
0.6772
0.6476
0.6496
0.6516
0.6535
0.6555
0.6563
0.6575
0.6594
0.6614
0.6634
0.6260
0.6280
0.6299
0.6319
0.6339
0.6358
0.6378
0.6398
0.6406
0.6417
0.6437
0.6457
0.6476
0.6063
0.6083
0.6094
0.6102
0.6122
0.6142
0.6161
0.6181
0.6201
0.6220
0.6240
0.6248
0.6260
0.6280
0.6299
0.6319
0.6339
0.7264
0.7283
0.7303
0.7323
0.7343
0.7362
0.7382
0.7402
0.7421
0.7047
0.7067
0.7087
0.7106
0.7126
0.7146
0.7165
0.7185
0.7189
0.7205
0.7224
0.7244
0.7264
0.6850
0.6870
0.6874
0.6890
0.6909
0.6929
0.6949
0.6969
0.6988
0.7008
0.7028
0.7031
0.7047
0.7067
0.7087
0.7106
0.7126
0.8248
0.8268
0.8280
0.8287
0.8307
0.8327
0.8346
0.8051
0.8071
0.8091
Fract
21/32
41/64
39/64
5/8
47/64
23/32
11/16
45/64
53/64
Wire/
Let
mm
17.200
16.450
16.500
16.550
16.600
16.650
16.670
16.700
16.750
16.800
16.850
15.900
15.950
16.000
16.050
16.100
16.150
16.200
16.250
16.270
16.300
16.350
16.400
16.450
15.400
15.450
15.480
15.500
15.550
15.600
15.650
15.700
15.750
15.800
15.850
15.870
15.900
15.950
16.000
16.050
16.100
18.450
18.500
18.550
18.600
18.650
18.700
18.750
18.800
18.850
17.900
17.950
18.000
18.050
18.100
18.150
18.200
18.250
18.260
18.300
18.350
18.400
18.450
17.400
17.450
17.460
17.500
17.550
17.600
17.650
17.700
17.750
17.800
17.850
17.860
17.900
17.950
18.000
18.050
18.100
20.950
21.000
21.030
21.050
21.100
21.150
21.200
20.450
20.500
20.550
81-59% Theoretical Percentage of Thread
Theor
%
62
80
77
74
72
69
68
67
64
62
59
81
79
77
75
73
71
69
67
67
65
64
62
60
80
79
78
77
75
74
72
71
69
68
66
66
65
63
62
60
59
80
77
74
72
69
67
64
62
59
81
79
77
75
73
71
69
67
67
65
64
62
60
80
79
78
77
75
74
72
71
69
68
66
66
65
63
62
60
59
81
77
75
73
69
65
62
80
77
74
Tap Size
dec
M22x1.50
M22x1.50
M22x1.50
M22x1.50
M22x1.50
M22x1.50
M22x1.50
M22x2.00
M22x2.00
M22x2.00
M22x2.00
M22x2.00
M22x2.00
M22x2.00
M22x2.00
M22x2.00
M22x2.00
M22x2.00
M22x2.00
M22x2.00
M22x2.50
M22x2.50
M22x2.50
M22x2.50
M22x2.50
M22x2.50
M22x2.50
M22x2.50
M22x2.50
M22x2.50
M22x2.50
M22x2.50
M22x2.50
M22x2.50
M22x2.50
M22x2.50
M24x1.00
M24x1.00
M24x1.00
M24x1.00
M24x1.00
M24x1.00
M24x1.00
M24x1.50
M24x1.50
M24x1.50
M24x1.50
M24x1.50
M24x1.50
M24x1.50
M24x1.50
M24x1.50
M24x2.00
M24x2.00
M24x2.00
M24x2.00
M24x2.00
M24x2.00
M24x2.00
M24x2.00
M24x2.00
M24x2.00
M24x2.00
M24x2.00
M24x2.00
M24x3.00
M24x3.00
M24x3.00
M24x3.00
M24x3.00
M24x3.00
M24x3.00
M24x3.00
M24x3.00
M24x3.00
M24x3.00
M24x3.00
M24x3.00
M24x3.00
M24x3.00
M24x3.00
M24x3.00
M24x3.00
M24x3.00
M24x3.00
0.8110
0.8126
0.8130
0.8150
0.8169
0.8189
0.8209
0.7835
0.7854
0.7874
0.7894
0.7913
0.7933
0.7953
0.7969
0.7972
0.7992
0.8012
0.8031
0.8051
0.7638
0.7657
0.7677
0.7697
0.7717
0.7736
0.7756
0.7776
0.7795
0.7811
0.7815
0.7835
0.7854
0.7874
0.7894
0.7913
0.9035
0.9055
0.9063
0.9075
0.9094
0.9114
0.9134
0.8839
0.8858
0.8878
0.8898
0.8917
0.8937
0.8957
0.8976
0.8996
0.8622
0.8642
0.8661
0.8681
0.8701
0.8720
0.8740
0.8748
0.8760
0.8780
0.8799
0.8819
0.8839
0.8209
0.8228
0.8248
0.8268
0.8280
0.8287
0.8307
0.8327
0.8346
0.8366
0.8386
0.8406
0.8425
0.8437
0.8445
0.8465
0.8484
0.8504
0.8524
0.8543
Fract
13/16
51/64
49/64
25/32
29/32
7/8
53/64
27/32
Wire/
Let
mm
20.600
20.640
20.650
20.700
20.750
20.800
20.850
19.900
19.950
20.000
20.050
20.100
20.150
20.200
20.240
20.250
20.300
20.350
20.400
20.450
19.400
19.450
19.500
19.550
19.600
19.650
19.700
19.750
19.800
19.840
19.850
19.900
19.950
20.000
20.050
20.100
22.950
23.000
23.020
23.050
23.100
23.150
23.200
22.450
22.500
22.550
22.600
22.650
22.700
22.750
22.800
22.850
21.900
21.950
22.000
22.050
22.100
22.150
22.200
22.220
22.250
22.300
22.350
22.400
22.450
20.850
20.900
20.950
21.000
21.030
21.050
21.100
21.150
21.200
21.250
21.300
21.350
21.400
21.430
21.450
21.500
21.550
21.600
21.650
21.700
Theor
%
72
70
69
67
64
62
59
81
79
77
75
73
71
69
68
67
65
64
62
60
80
79
77
75
74
72
71
69
68
67
66
65
63
62
60
59
81
77
75
73
69
65
62
80
77
74
72
69
67
64
62
59
81
79
77
75
73
71
69
69
67
65
64
62
60
81
80
78
77
76
76
74
73
72
71
69
68
67
66
65
64
63
62
60
59
129
Technical
Tap Size
$RILLæ3IZEæFORæ4HREADæ&ORMING
DRILL SIZE FOR THREAD FORMING @ 55% THREAD
Metric Threads
Metric Threads
Pitch
(mm)
Drill size
(mm)
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
0.25
0.25
0.25
0.30
0.35
0.35
0.35
0.40
0.45
0.40
0.45
0.50
0.60
0.70
0.75
0.50
0.80
0.50
0.75
1.00
0.75
1.00
0.75
1.00
1.25
0.75
1.00
1.25
0.75
1.00
0.91
1.01
1.11
1.29
1.47
1.57
1.67
1.85
2.03
2.15
2.43
2.81
3.28
3.74
4.22
4.81
4.70
5.31
5.72
5.63
6.72
6.63
7.72
7.63
7.53
8.72
8.63
8.53
9.72
9.63
Technical
Tap Dia.
1
1.1
1.2
1.4
1.6
1.7
1.8
2
2.2
2.3
2.6
3
3.5
4
4.5
5
5
5.5
6
6
7
7
8
8
8
9
9
9
10
10
DRILL SIZE FOR THREAD FORMING @ 57.5% THREAD
UNC / UNF Threads
Tap Dia.
Pitch
(mm)
Drill size
(mm)
Tap
Size
TPI
Drill size
(mm)
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
1.25
1.50
0.75
1.00
1.50
1.00
1.25
1.50
1.75
1.00
1.25
1.50
2.00
1.00
1.50
1.00
1.50
2.00
1.00
1.50
1.00
1.50
2.00
2.50
1.00
2.50
9.53
9.44
10.72
10.63
10.44
11.63
11.53
11.44
11.35
13.63
13.53
13.44
13.25
14.63
14.44
15.63
15.44
15.25
16.63
16.44
17.63
17.44
17.25
17.07
19.63
19.07
4
4
5
5
6
6
8
8
10
10
12
12
1/4
1/4
5/16
5/16
3/8
3/8
7/16
7/16
1/2
1/2
9/16
9/16
5/8
5/8
3/4
3/4
7/8
1
40
48
40
44
32
40
32
36
24
32
24
28
20
28
18
24
16
24
14
20
13
20
12
18
11
18
10
16
14
12
2.61
2.65
2.94
2.96
3.21
3.27
3.87
3.90
4.43
4.53
5.09
5.15
5.88
6.01
7.41
7.54
8.93
9.13
10.43
10.64
11.97
12.23
13.50
13.76
15.01
15.35
18.10
18.46
21.55
24.61
10
10
11
11
11
12
12
12
12
14
14
14
14
15
15
16
16
16
17
17
18
18
18
18
20
20
Metric Threads
Pitch
(mm)
Drill size
(mm)
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
0.25
0.25
0.25
0.30
0.35
0.35
0.35
0.40
0.45
0.40
0.45
0.50
0.60
0.70
0.75
0.50
0.80
0.50
0.75
1.00
0.75
1.00
0.75
1.00
1.25
0.75
1.00
1.25
0.75
1.00
0.90
1.00
1.10
1.28
1.46
1.56
1.66
1.84
2.02
2.14
2.42
2.80
3.27
3.73
4.21
4.80
4.69
5.30
5.71
5.61
6.71
6.61
7.71
7.61
7.51
8.71
8.61
8.51
9.71
9.61
1
1.1
1.2
1.4
1.6
1.7
1.8
2
2.2
2.3
2.6
3
3.5
4
4.5
5
5
5.5
6
6
7
7
8
8
8
9
9
9
10
10
Metric Threads
Metric Threads
Pitch
(mm)
Drill size
(mm)
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
0.25
0.25
0.25
0.30
0.35
0.35
0.35
0.40
0.45
0.40
0.45
0.50
0.60
0.70
0.75
0.50
0.80
0.50
0.75
1.00
0.75
1.00
0.75
1.00
1.25
0.75
1.00
1.25
0.75
1.00
0.90
1.00
1.10
1.28
1.46
1.56
1.66
1.84
2.02
2.14
2.42
2.80
3.26
3.71
4.19
4.80
4.67
5.30
5.69
5.59
6.69
6.59
7.69
7.59
7.49
8.69
8.59
8.49
9.69
9.59
130
1
1.1
1.2
1.4
1.6
1.7
1.8
2
2.2
2.3
2.6
3
3.5
4
4.5
5
5
5.5
6
6
7
7
8
8
8
9
9
9
10
10
Pitch
(mm)
Drill size
(mm)
Tap
Size
TPI
Drill size
(mm)
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
1.25
1.50
0.75
1.00
1.50
1.00
1.25
1.50
1.75
1.00
1.25
1.50
2.00
1.00
1.50
1.00
1.50
2.00
1.00
1.50
1.00
1.50
2.00
2.50
1.00
2.50
9.51
9.41
10.71
10.61
10.41
11.61
11.51
11.41
11.32
13.61
13.51
13.41
13.22
14.61
14.41
15.61
15.41
15.22
16.61
16.41
17.61
17.41
17.22
17.02
19.61
19.02
4
4
5
5
6
6
8
8
10
10
12
12
1/4
1/4
5/16
5/16
3/8
3/8
7/16
7/16
1/2
1/2
9/16
9/16
5/8
5/8
3/4
3/4
7/8
1
40
48
40
44
32
40
32
36
24
32
24
28
20
28
18
24
16
24
14
20
13
20
12
18
11
18
10
16
14
12
2.60
2.64
2.93
2.95
3.19
3.26
3.86
3.89
4.41
4.52
5.07
5.13
5.85
6.00
7.39
7.52
8.90
9.11
10.40
10.62
11.94
12.20
13.46
13.74
14.97
15.32
18.06
18.43
21.52
24.57
Metric Threads
UNC / UNF Threads
Tap Dia.
Pitch
(mm)
Drill size
(mm)
Tap
Size
TPI
Drill size
(mm)
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
1.25
1.50
0.75
1.00
1.50
1.00
1.25
1.50
1.75
1.00
1.25
1.50
2.00
1.00
1.50
1.00
1.50
2.00
1.00
1.50
1.00
1.50
2.00
2.50
1.00
2.50
9.49
9.39
10.69
10.59
10.39
11.59
11.49
11.39
11.29
13.59
13.49
13.39
13.18
14.59
14.39
15.59
15.39
15.18
16.59
16.39
17.59
17.39
17.18
16.98
19.59
18.98
4
4
5
5
6
6
8
8
10
10
12
12
1/4
1/4
5/16
5/16
3/8
3/8
7/16
7/16
1/2
1/2
9/16
9/16
5/8
5/8
3/4
3/4
7/8
1
40
48
40
44
32
40
32
36
24
32
24
28
20
28
18
24
16
24
14
20
13
20
12
18
11
18
10
16
14
12
2.59
2.63
2.92
2.94
3.18
3.25
3.84
3.88
4.39
4.50
5.05
5.12
5.83
5.98
7.36
7.51
8.88
9.09
10.37
10.59
11.90
12.18
13.42
13.71
14.93
15.30
18.01
18.40
21.48
24.54
10
10
11
11
11
12
12
12
12
14
14
14
14
15
15
16
16
16
17
17
18
18
18
18
20
20
UNC / UNF Threads
Tap Dia.
10
10
11
11
11
12
12
12
12
14
14
14
14
15
15
16
16
16
17
17
18
18
18
18
20
20
DRILL SIZE FOR THREAD FORMING @ 62.5% THREAD
DRILL SIZE FOR THREAD FORMING @ 60% THREAD
Tap Dia.
Metric Threads
Tap Dia.
Metric Threads
Tap Dia.
Pitch
(mm)
Drill size
(mm)
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
0.25
0.25
0.25
0.30
0.35
0.35
0.35
0.40
0.45
0.40
0.45
0.50
0.60
0.70
0.75
0.50
0.80
0.50
0.75
1.00
0.75
1.00
0.75
1.00
1.25
0.75
1.00
1.25
0.75
1.00
0.89
0.99
1.09
1.27
1.45
1.55
1.65
1.83
2.01
2.13
2.41
2.79
3.25
3.70
4.18
4.79
4.66
5.29
5.68
5.58
6.68
6.58
7.68
7.58
7.47
8.68
8.58
8.47
9.68
9.58
1
1.1
1.2
1.4
1.6
1.7
1.8
2
2.2
2.3
2.6
3
3.5
4
4.5
5
5
5.5
6
6
7
7
8
8
8
9
9
9
10
10
UNC / UNF Threads
Tap Dia.
Pitch
(mm)
Drill size
(mm)
Tap
Size
TPI
Drill size
(mm)
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
1.25
1.50
0.75
1.00
1.50
1.00
1.25
1.50
1.75
1.00
1.25
1.50
2.00
1.00
1.50
1.00
1.50
2.00
1.00
1.50
1.00
1.50
2.00
2.50
1.00
2.50
9.47
9.36
10.68
10.58
10.36
11.58
11.47
11.36
11.26
13.58
13.47
13.36
13.15
14.58
14.36
15.58
15.36
15.15
16.58
16.36
17.58
17.36
17.15
16.94
19.58
18.94
4
4
5
5
6
6
8
8
10
10
12
12
1/4
1/4
5/16
5/16
3/8
3/8
7/16
7/16
1/2
1/2
9/16
9/16
5/8
5/8
3/4
3/4
7/8
1
40
48
40
44
32
40
32
36
24
32
24
28
20
28
18
24
16
24
14
20
13
20
12
18
11
18
10
16
14
12
2.57
2.62
2.91
2.93
3.17
3.24
3.83
3.87
4.38
4.49
5.04
5.10
5.81
5.96
7.34
7.49
8.85
9.08
10.34
10.57
11.87
12.16
13.39
13.69
14.89
15.28
17.97
18.38
21.45
24.50
10
10
11
11
11
12
12
12
12
14
14
14
14
15
15
16
16
16
17
17
18
18
18
18
20
20
$RILLæ3IZEæFORæ4HREADæ&ORMING
DRILL SIZE FOR THREAD FORMING @ 67.5% THREAD
DRILL SIZE FOR THREAD FORMING @ 65% THREAD
Metric Threads
Metric Threads
Tap Dia.
Pitch
(mm)
Drill size
(mm)
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
0.25
0.25
0.25
0.30
0.35
0.35
0.35
0.40
0.45
0.40
0.45
0.50
0.60
0.70
0.75
0.50
0.80
0.50
0.75
1.00
0.75
1.00
0.75
1.00
1.25
0.75
1.00
1.25
0.75
1.00
0.89
0.99
1.09
1.27
1.45
1.55
1.65
1.82
2.00
2.12
2.40
2.78
3.23
3.69
4.17
4.78
4.65
5.28
5.67
5.56
6.67
6.56
7.67
7.56
7.45
8.67
8.56
8.45
9.67
9.56
1
1.1
1.2
1.4
1.6
1.7
1.8
2
2.2
2.3
2.6
3
3.5
4
4.5
5
5
5.5
6
6
7
7
8
8
8
9
9
9
10
10
Tap Dia.
Pitch
(mm)
Drill size
(mm)
Tap
Size
TPI
Drill size
(mm)
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
1.25
1.50
0.75
1.00
1.50
1.00
1.25
1.50
1.75
1.00
1.25
1.50
2.00
1.00
1.50
1.00
1.50
2.00
1.00
1.50
1.00
1.50
2.00
2.50
1.00
2.50
9.45
9.34
10.67
10.56
10.34
11.56
11.45
11.34
11.23
13.56
13.45
13.34
13.12
14.56
14.34
15.56
15.34
15.12
16.56
16.34
17.56
17.34
17.12
16.90
19.56
18.90
4
4
5
5
6
6
8
8
10
10
12
12
1/4
1/4
5/16
5/16
3/8
3/8
7/16
7/16
1/2
1/2
9/16
9/16
5/8
5/8
3/4
3/4
7/8
1
40
48
40
44
32
40
32
36
24
32
24
28
20
28
18
24
16
24
14
20
13
20
12
18
11
18
10
16
14
12
2.56
2.61
2.89
2.92
3.15
3.22
3.81
3.85
4.36
4.48
5.02
5.09
5.79
5.95
7.31
7.47
8.82
9.06
10.31
10.55
11.84
12.14
13.35
13.66
14.85
15.25
17.93
18.35
21.42
24.46
10
10
11
11
11
12
12
12
12
14
14
14
14
15
15
16
16
16
17
17
18
18
18
18
20
20
Metric Threads
UNC / UNF Threads
Tap Dia.
Pitch
(mm)
Drill size
(mm)
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
0.25
0.25
0.25
0.30
0.35
0.35
0.35
0.40
0.45
0.40
0.45
0.50
0.60
0.70
0.75
0.50
0.80
0.50
0.75
1.00
0.75
1.00
0.75
1.00
1.25
0.75
1.00
1.25
0.75
1.00
0.89
0.99
1.09
1.26
1.44
1.54
1.64
1.82
1.99
2.12
2.39
2.77
3.22
3.68
4.16
4.77
4.63
5.27
5.66
5.54
6.66
6.54
7.66
7.54
7.43
8.66
8.54
8.43
9.66
9.54
1
1.1
1.2
1.4
1.6
1.7
1.8
2
2.2
2.3
2.6
3
3.5
4
4.5
5
5
5.5
6
6
7
7
8
8
8
9
9
9
10
10
Metric Threads
Metric Threads
Pitch
(mm)
Drill size
(mm)
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
0.25
0.25
0.25
0.30
0.35
0.35
0.35
0.40
0.45
0.40
0.45
0.50
0.60
0.70
0.75
0.50
0.80
0.50
0.75
1.00
0.75
1.00
0.75
1.00
1.25
0.75
1.00
1.25
0.75
1.00
0.88
0.98
1.08
1.26
1.43
1.53
1.63
1.81
1.99
2.11
2.39
2.76
3.21
3.67
4.14
4.76
4.62
5.26
5.64
5.52
6.64
6.52
7.64
7.52
7.41
8.64
8.52
8.41
9.64
9.52
1
1.1
1.2
1.4
1.6
1.7
1.8
2
2.2
2.3
2.6
3
3.5
4
4.5
5
5
5.5
6
6
7
7
8
8
8
9
9
9
10
10
Tap Dia.
Pitch
(mm)
Drill size
(mm)
Tap
Size
TPI
Drill size
(mm)
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
1.25
1.50
0.75
1.00
1.50
1.00
1.25
1.50
1.75
1.00
1.25
1.50
2.00
1.00
1.50
1.00
1.50
2.00
1.00
1.50
1.00
1.50
2.00
2.50
1.00
2.50
9.43
9.31
10.66
10.54
10.31
11.54
11.43
11.31
11.20
13.54
13.43
13.31
13.08
14.54
14.31
15.54
15.31
15.08
16.54
16.31
17.54
17.31
17.08
16.85
19.54
18.85
4
4
5
5
6
6
8
8
10
10
12
12
1/4
1/4
5/16
5/16
3/8
3/8
7/16
7/16
1/2
1/2
9/16
9/16
5/8
5/8
3/4
3/4
7/8
1
40
48
40
44
32
40
32
36
24
32
24
28
20
28
18
24
16
24
14
20
13
20
12
18
11
18
10
16
14
12
2.55
2.60
2.88
2.91
3.14
3.21
3.80
3.84
4.34
4.46
5.00
5.07
5.77
5.93
7.29
7.45
8.80
9.04
10.28
10.53
11.80
12.12
13.32
13.64
14.82
15.23
17.88
18.32
21.39
24.43
10
10
11
11
11
12
12
12
12
14
14
14
14
15
15
16
16
16
17
17
18
18
18
18
20
20
DRILL SIZE FOR THREAD FORMING @ 72.5% THREAD
UNC / UNF Threads
Tap Dia.
Pitch
(mm)
Drill size
(mm)
Tap
Size
TPI
Drill size
(mm)
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
1.25
1.50
0.75
1.00
1.50
1.00
1.25
1.50
1.75
1.00
1.25
1.50
2.00
1.00
1.50
1.00
1.50
2.00
1.00
1.50
1.00
1.50
2.00
2.50
1.00
2.50
9.41
9.29
10.64
10.52
10.29
11.52
11.41
11.29
11.17
13.52
13.41
13.29
13.05
14.52
14.29
15.52
15.29
15.05
16.52
16.29
17.52
17.29
17.05
16.81
19.52
18.81
4
4
5
5
6
6
8
8
10
10
12
12
1/4
1/4
5/16
5/16
3/8
3/8
7/16
7/16
1/2
1/2
9/16
9/16
5/8
5/8
3/4
3/4
7/8
1
40
48
40
44
32
40
32
36
24
32
24
28
20
28
18
24
16
24
14
20
13
20
12
18
11
18
10
16
14
12
2.54
2.59
2.87
2.90
3.13
3.20
3.79
3.83
4.32
4.45
4.98
5.05
5.75
5.92
7.27
7.43
8.77
9.02
10.25
10.51
11.77
12.10
13.28
13.62
14.78
15.20
17.84
18.29
21.36
24.39
10
10
11
11
11
12
12
12
12
14
14
14
14
15
15
16
16
16
17
17
18
18
18
18
20
20
UNC / UNF Threads
Metric Threads
Metric Threads
Tap Dia.
Pitch
(mm)
Drill size
(mm)
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
0.25
0.25
0.25
0.30
0.35
0.35
0.35
0.40
0.45
0.40
0.45
0.50
0.60
0.70
0.75
0.50
0.80
0.50
0.75
1.00
0.75
1.00
0.75
1.00
1.25
0.75
1.00
1.25
0.75
1.00
0.88
0.98
1.08
1.25
1.43
1.53
1.63
1.80
1.98
2.10
2.38
2.75
3.20
3.65
4.13
4.75
4.61
5.25
5.63
5.51
6.63
6.51
7.63
7.51
7.38
8.63
8.51
8.38
9.63
9.51
1
1.1
1.2
1.4
1.6
1.7
1.8
2
2.2
2.3
2.6
3
3.5
4
4.5
5
5
5.5
6
6
7
7
8
8
8
9
9
9
10
10
Tap
Dia.
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
10
10
11
11
11
12
12
12
12
14
14
14
14
15
15
16
16
16
17
17
18
18
18
18
20
20
UNC / UNF Threads
Pitch
(mm)
Drill size
(mm)
Tap
Size
TPI
Drill size
(mm)
1.25
1.50
0.75
1.00
1.50
1.00
1.25
1.50
1.75
1.00
1.25
1.50
2.00
1.00
1.50
1.00
1.50
2.00
1.00
1.50
1.00
1.50
2.00
2.50
1.00
2.50
9.38
9.26
10.63
10.51
10.26
11.51
11.38
11.26
11.14
13.51
13.38
13.26
13.01
14.51
14.26
15.51
15.26
15.01
16.51
16.26
17.51
17.26
17.01
16.77
19.51
18.77
4
4
5
5
6
6
8
8
10
10
12
12
1/4
1/4
5/16
5/16
3/8
3/8
7/16
7/16
1/2
1/2
9/16
9/16
5/8
5/8
3/4
3/4
7/8
1
40
48
40
44
32
40
32
36
24
32
24
28
20
28
18
24
16
24
14
20
13
20
12
18
11
18
10
16
14
12
2.53
2.58
2.86
2.89
3.11
3.19
3.77
3.82
4.30
4.43
4.96
5.04
5.72
5.90
7.24
7.42
8.74
9.00
10.22
10.49
11.74
12.07
13.24
13.59
14.74
15.18
17.80
18.27
21.33
24.36
131
Technical
DRILL SIZE FOR THREAD FORMING @ 70% THREAD
Tap Dia.
Metric Threads
Tapping Formulas and Calculations
" !
# !
$%&
&&$%
# &&$%
Technical
!
'()
"
!
&&"$$
* ,
+( )
!
"
!
*, +( )
%-$
!
+( )
"
!
&&&-
* ,
+( )
!
"
!
*, +( )
".%&, 132
4ROUBLESHOOTINGææ!PPLICATIONæPROBLEMSæWITHæNEWæTAPS
Problem
Thread produced
is too large
Thread produced
is too small
Solution
■ INCORRECTæTAPæTAPæGEOMETRYæNOTæSUITABLE
FORæTHEæAPPLICATION
■æAPPLYæCORRECTæTAPæFORæTHEæMATERIAL
TOæBEæMACHINED
■ TAPPINGæSIZEæHOLEæTOOæSMALL
■ OBSERVEæTAPPINGæSIZEæHOLEæTABLEæINæTHEæ
TECHNICALæSECTIONæ.OTEæDIFFERENTæTAPPINGæ
SIZEæHOLEæDIAMETERSæFORæFLUTELESSæTAPS
■ ALIGNMENTæERRORæOFæTAPPING
SIZEæHOLEæORæPOSITION
■ æCHECKæFORæCORRECTæTOOLæCLAMPING
æAPPLYæFLOATINGæTAPæHOLDER
æCHECKæCOREæDRILL
■æMACHINEæSPINDLEæAXIALLYæRESTRICTED
■ææUSEæMECHANICALæFEED
æAPPLYæTENSIONCOMPRESSIONæTAPæCHUCK
■ COLDæWELDINGæATæTHEæFLANK
OFæTHEæTAP
■ææAPPLYæNEWæTAP
æAPPLYæCOATEDæTAP
æOPTIMIZEæLUBRICATION
■ LEADæOFæTAPæUNSATISFACTORYæDUE
TOæINSUFFICIENTæTHREADæDEPTH
■ææTAPæWITHæFORCEDæFEED
æAPPLYæTAPæWITHæMODIFIEDæLEAD
■ CUTTINGæSPEEDæTOOæHIGH
■ææREDUCEæCUTTINGæSPEED
æIMPROVEæLUBRICATION
■ LUBRICATIONæORæCOOLANTæSUPPLY
INSUFFICIENT
■ ENSUREæSUFFICIENTæANDæSUITABLE
COOLANTæSUPPLYæANDæCHECKæCONCENTRATION
■æTOLERANCEæSPECIFICATIONæONæTAPæDOES
NOTæCORRESPONDæTOæSPECIFICATIONSæON
DRAWINGæANDORæTHREADæGAUGE
■ APPLYæCORRECTæTAPæFORæREQUIRED
TOLERANCES
■ SPIRALFLUTEDæTAPS
CORRESPONDINGæTOæOURæDESIGN
AREæAPPLIEDæWITHæTOOæMUCH
PRESSUREæFORæINITIALæTAPPING
■ WITHæSPIRALFLUTEDæTAPSæONLYæLIGHTæPRESSURE
REQUIREDæFORæINITIALæTAPPINGæ4HEæTAPæSHOULD
IMMEDIATELYæBEæAPPLIEDæWITHINæTHE
TENSIONCOMPRESSIONæRANGE
■ INITIALæTAPPINGæPRESSUREæTOO
LOWæFORæTAPSæWITHæSPIRALæPOINT
CORRESPONDINGæTOæOURæFORMæh"v
■æTAPSæWITHæSPIRALæPOINTæORæLEFTæHANDæSPIRAL
REQUIREæHIGHERæAXIALæPRESSURE
%NSUREæTAPæOPERATESæWITHINæTHEæTENSION
COMPRESSIONæRANGE
■ TOLERANCEæSPECIFICATIONæONæTAPæDOESæNOT
CORRESPONDæTOæSPECIFICATIONSæONæDRAWING
ANDORæTHREADæGAUGE
■ APPLYæCORRECTæTAPæFORæREQUIRED
TOLERANCE
■ INCORRECTæTAP
■ APPLYæCORRECTæTAPæFORæTHEæMATERIALæTOæBE
MACHINED
■æTAPæDOESæNOTæCUTæACCURATELY
THREADæPLUGæGAUGE
■ AVOIDæSTRONGæAXIALæFORCESæDURINGæTHE
CUTTINGæPROCESS
■ MACHINEæSPINDLEæISæAXIALLYæTOOæRIGID
■ APPLYæTENSIONCOMPRESSIONæCHUCK
Technical
Thread
AXIALLYæMISCUT
Possible causes
133
4ROUBLESHOOTINGææ!PPLICATIONæPROBLEMSæWITHæNEWæTAPS
Problem
Thread surface not
according to requirements
Possible causes
Solution
■ CUTTINGæEDGEæGEOMETRYæNOTæSUITABLEæFOR
THEæAPPLICATION
■ APPLYæhCORRECTvæTAPæFORæTHEæMATERIAL
TOæBEæMACHINED
■ CUTTINGæSPEEDæTOOæHIGH
■ æREDUCEæCUTTINGæSPEED
æOPTIMIZEæLUBRICATION
■ INSUFFICIENTæCOOLANT
CONCENTRATIONæANDæSUPPLY
■ ENSUREæSUITABLEæCOOLANTæANDæSUFFICIENT
VOLUME
■æCHIPæCONGESTION
■ APPLYæSUITABLEæTAPæTYPE
■ TAPPINGæSIZEæHOLEæTOOæSMALL
■ OBSERVEæTAPPINGæSIZEæHOLEæDIAMETERæ
SPECIFICATIONSæTOæ$).ææORæRESPECTIVEæ
STANDARDSæ/BSERVEæTABLEæFORæFLUTELESSæTAPS
■ WITHæTOUGHæHARDæMATERIALSæLOADINGæONæTOOL ■ APPLYæHANDæTAPæSETS
TOOæMUCHæORæPITCHæTOOæSTEEP
Technical
Tool life
insufficient
4OOLæBREAKAGE
DURINGæADVANCEæORæRETURN
134
■ BUILTUPæEDGE
■ APPLYæCOATEDæTAS
■ COLDæWELDING
■ IMPROVEæCOOLANTæSUPPLY
■ SURFACEæHARDENINGæOFæTAPPINGæSIZEæHOLE
■ææCHECKæDRILLæCUTTINGæEDGEæFORæWEAR
æHEATæORæSURFACEæTREATMENT
æFOLLOWINGæTHREADæPRODUCTION
■æREASONSæLISTEDæUNDERæhTHREADæSURFACE
NOTæACCORDINGæTOæREQUIREMENTSh
■æREASONSæLISTEDæUNDERæTHREADæSURFACE
hNOTæACCORDINGæTOæREQUIREMENTSh
■ CHIPæCONGESTION
■ APPLYæCORRECTæTAP
■æTAPPINGæSIZEæHOLEæTOOæSMALL
■ OBSERVEæTAPPINGæSIZEæHOLEæDIAæACC
TOæ$).ææORæRESPECTIVEæSTANDARDS
■ TEETHæOFæCHAMFERæLEADæOVERLOADED
■ææLONGERæCHAMFERæLEADæBLINDæOR
æTHROUGHæHOLE
æINCREASEæNOæOFæTEETHæOFæCHAMFERæLEADæBY
æINCREASINGæNOæOFæFLUTES
æAPPLYæTAPæSETS
■ TAPæHITSæBOTTOMæOFæTAPPING
SIZEæHOLE
■ææCHECKæHOLEæDEPTH
æAPPLYæTENSIONCOMPRESSION
æTAPæCHUCK
■ææLACKæOFæORæINCORRECT
æCHAMFERæOFæTAPPINGæSIZEæHOLE
æPOSTIONALæORæANGLEæERROR
æOFæTAPPINGæSIZEæHOLE
■ææCORRECTæCHAMFERæANGLEæOF
æTAPPINGæSIZEæHOLE
æENSUREæCORRECTæTOOLæCLAMPING
æAPPLYæFLOATINGæTAPæHOLDER
æCHECKæCOREæDRILL
■ææTOOLæHARDNESSæNOTæSUITABLE
æFORæTHEæAPPLICATION
æCUTTINGæEDGEæGEOMETRYæNOTæSUITABLE
æFORæTHEæAPPLICATION
■æAPPLYæSUITABLEæTAPæFORæTHEæINDIVIDUAL
APPLICATION
4ROUBLESHOOTINGææ%RRORSæANDæDIFFICULTIESæWITHæREGROUNDæTAPS
Problem
Solution
Thread produced
is too large
■ BURRS
■ REMOVEæBURRS
■ CUTTINGæEDGEæGEOMETRY
CHAMFERæLEADæRAKEæCHAMFER
SPIRALæPOINTæANGLEæNOTæRETAINED
■ æOBSERVEæTECHNICALæSPECIFICATIONS
æWHENæREGRINDING
æOBSERVEæREGRINDINGæINSTRUCTION
Thread produced
is too small
■ WORNæSECTIONæHASæNOTæBEEN
REGROUNDæCORRECTLY
■ REGRINDæAGAINæORæAPPLYæNEWæTOOL
/BSERVEæMAXæREGRINDINGæLIMITS
■ TAPæTOOæSMALLæDUEæTOæNOæOF
REGRINDS
■ MAXæREGRINDINGæLIMITæREACHED
APPLYæNEWæTAP
■ BURRS
■ REMOVEæBURRS
■ CUTTINGæEDGEæGEOMETRY
CHAMFERæLEADæRAKEæCHAMFER
SPIRALæPOINTæANGLEæNOTæRETAINED
■ æOBSERVEæTECHNICALæSPECIFICATIONS
æWHENæREGRINDING
æOBSERVEæREGRINDINGæINSTRUCTION
■ PEAKTOVALLEYæHEIGHTæOFæTHE
REGROUNDæTAPæTOOæLARGE
■ REGRINDæAGAINæORæAPPLYæNEWæTOOL
/BSERVEæMAXæREGRINDINGæLIMITS
■ COLDæWELDINGæATæTHEæFLANKS
■æREMOVEæCOLDæWELDINGæMARKS
■æCUTTINGæEDGEæGEOMETRY
CHAMFERæLEADæRAKEæCHAMFER
SPIRALæPOINTæANGLEæNOTæRETAINED
■ REGRINDæAGAINæORæAPPLYæNEWæTOOL
/BSERVEæMAXæREGRINDINGæLIMITS
■ LOSSæOFæTAPæHARDNESSæDUEæTOæHEAT
DEVELOPMENTæDURINGæTHEæREGRINDING
PROCESS
■ææCHECKæQUALITYæOFæGRINDINGæWHEEL
æCHECKæCOOLANTæSUPPLY
■ LOSSæOFæCOATING
■ææ
æRECOAT
æCHECKæCOATINGæOFæTHEæMATERIAL
æTOæBEæMACHINED
Thread produced
not according to requirements
Tool life
insufficient
Technical
Possible causes
135
Technical
!PPENDIXæOFæ'UHRINGæ4APæ0ARTæ.UMBERS
Series
Thread Type
Substrate
Color ring
Style of tap
Standard
Coolant
Chamfer
318
319
323
338
342
347
803
804
810
811
815
816
822
823
827
828
830
833
834
835
873
876
877
878
879
881
889
890
908
909
910
911
919
927
935
936
969
969
971
972
972
977
978
1188
1194
1200
1581
1582
1583
1584
1585
1717
1719
1721
1723
1837
1838
1858
1858
1859
1859
1860
1860
1861
1861
1870
1872
1873
1883
1883
1890
Metric
Metric
Metric
Metric fine
Metric
Metric fine
Metric
Metric
Metric
Metric
Metric
Metric
Metric
Metric
Metric fine
Metric fine
Metric fine
Metric fine
Metric fine
Metric fine
UNC
UNC
Metric
UNC
Metric
UNC
Metric
Metric
UNF
Metric
Metric
UNF
Metric
Metric fine
Metric
Metric fine
Metric
Metric
Metric
Metric fine
Metric fine
Metric fine
Metric fine
Metric
Metric
Metric fine
Metric fine
UNC
UNC
UNF
UNF
Metric
Metric
Metric fine
Metric fine
UNC
UNF
Metric
Metric
Metric
Metric
Metric fine
Metric fine
Metric fine
Metric fine
Metric
Metric
Metric fine
Metric
Metric
Metric
Cobalt
Cobalt
PM cobalt
PM cobalt
PM cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
PM cobalt
Cobalt
PM cobalt
Cobalt
Cobalt
Cobalt
Cobalt
PM cobalt
PM cobalt
Cobalt
Cobalt
Cobalt
PM cobalt
PM cobalt
Carbide
Carbide
Carbide
Carbide
Carbide
Carbide
Carbide
PM cobalt
PM cobalt
PM cobalt
Carbide
Cobalt
Cobalt
Cobalt
Cobalt
PM cobalt
PM cobalt
PM cobalt
PM cobalt
Cobalt
Cobalt
Carbide
Carbide
Carbide
Carbide
Carbide
Carbide
Carbide
Carbide
Cobalt
Cobalt
Cobalt
Carbide
Carbide
Cobalt
white ring
white ring
blind or through hole
blind or through hole
form tap
form tap
form tap
blind or through hole
through hole
through hole
blind hole
blind hole
through hole
through hole
blind hole
blind hole
through hole
through hole
blind or through hole
blind hole
blind hole
blind hole
through hole
blind hole
through hole
through hole
through hole
blind hole
blind hole
blind hole
through hole
blind hole
blind hole
blind hole
form tap
form tap
blind hole
blind hole
blind or through hole
blind or through hole
blind hole
blind or through hole
blind or through hole
blind hole
blind hole
blind hole
blind hole
blind hole
form tap
form tap
form tap
form tap
form tap
form tap
form tap
form tap
form tap
blind hole
blind hole
blind or through hole
blind or through hole
blind or through hole
blind or through hole
blind or through hole
blind or through hole
blind or through hole
blind or through hole
through hole
through hole
through hole
blind hole
blind hole
through hole
DIN 371
DIN 376
DIN 371
DIN 374
DIN 376
DIN 374
DIN 371
DIN 371
DIN 371
DIN 371
DIN 376
DIN 376
DIN 376
DIN 376
DIN 374
DIN 374
DIN 374
DIN 374
DIN 374
DIN 374
DIN 371
DIN 371
DIN 371
DIN 376
DIN 376
DIN 376
DIN 371
DIN 376
DIN 374
DIN 371
DIN 376
DIN 374
DIN 371
DIN 374
DIN 376
DIN 374
DIN 371
DIN 371
DIN 371
DIN 371
DIN 371
DIN 371
DIN 374
DIN 371
DIN 376
DIN 376
DIN 374
DIN 371
DIN 376
DIN 371
DIN 376
DIN 371
DIN 376
DIN 371
DIN 374
DIN 371
DIN 374
DIN 371
DIN 371
DIN 376
DIN 376
DIN 371
DIN 374
DIN 376
DIN 371
DIN 371
DIN 376
DIN 374
DIN 376
DIN 376
DIN 371
axial coolant fed
axial coolant fed
radial coolant fed
radial coolant fed
radial coolant fed
axial coolant fed
Form C
Form C
Form C
Form C
Form C
Form C
Form B
Form B
Form C
Form C
Form B
Form B
Form C
Form C
Form B
Form B
Form C
Form C
Form C
Form C
Form B
Form C
Form B
Form B
Form B
Form C
Form C
Form C
Form B
Form C
Form C
Form C
Form C
Form C
Form C
Form C
Form C
Form C
Form C
Form C
Form C
Form C
Form C
Form C
Form C
Form C
Form C
Form C
Form C
Form C
Form C
Form C
Form C
Form C
Form C
Form C(K)
Form C(K)
Form C
Form C
Form C
Form C
Form C
Form C
Form C
Form C
Form B
Form B
Form B
Form C
Form C
Form C
136
white ring
yellow ring
red ring
yellow ring
red ring
yellow ring
red ring
yellow ring
red ring
yellow ring
red ring
yellow ring
yellow ring
yellow ring
red ring
yellow ring
yellow ring
blue ring
yellow ring
blue ring
yellow ring
green ring
green ring
yellow ring
blue ring
blue ring
yellow ring
red ring
blue ring
black ring
white ring
black ring
black ring
white ring
black ring
black ring
red ring
red ring
red ring
green ring
green ring
black ring
white ring
black ring
white ring
black ring
white ring
black ring
white ring
blue ring
blue ring
blue ring
black ring
white ring
white ring
axial coolant fed
axial coolant fed
axial coolant fed
axial coolant fed
axial coolant fed
axial coolant fed
axial coolant fed
axial coolant fed
axial coolant fed
axial coolant fed
radial coolant fed
radial coolant fed
radial coolant fed
radial coolant fed
radial coolant fed
radial coolant fed
radial coolant fed
radial coolant fed
radial coolant fed
radial coolant fed
radial coolant fed
radial coolant fed
radial coolant fed
axial coolant fed
* All carbide form taps will be changing to TiCN coating as inventory levels are replenished
Helix
40° helix
40° helix
40° helix
40° helix
15° helix
40° helix
40° helix
40° helix
40° helix
40° helix
40° helix
40° helix
40° helix
40° helix
15° helix
40° helix
15° helix
15° helix
15° helix
15° helix
15° helix
15° helix
40° helix
40° helix
Surface
Tolerance
Page
TiAlN coated
TiAlN coated
TiN coated
TiN coated
TiN coated
TiAlN coated
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
TiN coated
TiN coated
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
TiCN coated
TiCN coated
TiCN coated
*TiCN coated
TiN coated
TiN coated
TiN coated
TiN coated
AlCrN
AlCrN
AlCrN
AlCrN
TiN coated
TiN coated
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
oxide finish
6HX
6HX
6HX
6HX
6HX
6HX
ISO 2(6H)
6H
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
2B
2B
ISO 2(6H)
2B
ISO 2(6H)
2B
ISO 2(6H)
ISO 2(6H)
2B
ISO 2(6H)
ISO 2(6H)
2B
6HX
6HX
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
6HX
6HX
6HX
6HX
2BX
2BX
2BX
2BX
6HX
6HX
6HX
6HX
2B
2B
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
6HX
Page 82
Page 82
Page 110
Page 112
Page 111
Page 83
Page 28
Page 69
Page 34
Page 72
Page 29
Page 69
Page 34
Page 73
Page 30
Page 70
Page 31
Page 35
Page 35
Page 75
Page 26
Page 32
Page 61
Page 26
Page 60
Page 32
Page 46
Page 46
Page 27
Page 64
Page 64
Page 33
Page 110
Page 112
Page 73
Page 64
Page 90
Page 83
Page 90
Page 91
Page 83
Page 91
Page 91
Page 74
Page 74
Page 74
Page 113
Page 107
Page 107
Page 108
Page 108
Page 110
Page 111
Page 113
Page 112
Page 42
Page 43
Page 87
Page 80
Page 87
Page 80
Page 88
Page 81
Page 88
Page 81
Page 61
Page 60
Page 61
Page 90
Page 83
Page 82
!PPENDIXæOFæ'UHRINGæ4APæ0ARTæ.UMBERS
Thread Type
Substrate
Color ring
Style of tap
Metric
Metric
Metric
Metric fine
Metric fine
Metric
Metric
Metric
Metric
Metric
Metric
Metric
UNC
UNC
UNC
UNC
UNC
UNC
UNF
UNF
Metric fine
Metric
Metric
Metric fine
UNF
Metric
Metric fine
UNC
UNC
UNF
Metric
Metric
Metric fine
Metric
Metric fine
UNC
UNF
Metric
Metric fine
UNC
UNF
Metric
Metric fine
UNC
UNF
Metric
Metric fine
UNC
UNF
Metric
Metric
UNC
UNF
Metric
UNC
UNF
Metric
UNC
UNF
Metric
UNC
UNF
Metric
UNC
UNF
Metric
UNC
UNF
Metric
UNC
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Carbide
Carbide
Carbide
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
PM cobalt
PM cobalt
PM cobalt
PM cobalt
PM cobalt
PM cobalt
PM cobalt
PM cobalt
PM cobalt
PM cobalt
PM cobalt
PM cobalt
PM cobalt
PM cobalt
PM cobalt
PM cobalt
Carbide
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
PM cobalt
PM cobalt
PM cobalt
PM cobalt
PM cobalt
PM cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
red ring
white ring
red ring
white ring
red ring
red ring
red ring
red ring
red ring
blind hole
through hole
blind hole
blind or through hole
blind hole
through hole
through hole
blind hole
blind hole
form tap
form tap
form tap
blind or through hole
through hole
blind hole
blind or through hole
through hole
blind hole
blind or through hole
through hole
blind hole
blind hole
blind hole
blind hole
blind hole
through hole
through hole
through hole
through hole
through hole
blind hole
blind hole
blind hole
through hole
through hole
through hole
through hole
blind hole
blind hole
blind hole
blind hole
through hole
through hole
through hole
through hole
blind hole
blind hole
blind hole
blind hole
blind hole
through hole
through hole
through hole
blind hole
blind hole
blind hole
through hole
through hole
through hole
blind hole
blind hole
blind hole
through hole
through hole
through hole
through hole
through hole
through hole
blind hole
blind hole
2901
2903
2905
2907
2909
white ring
blue ring
blue ring
white ring
blue ring
blue ring
white ring
blue ring
green ring
green ring
green ring
green ring
blue ring
green ring
green ring
green ring
green ring
green ring
blue ring
blue ring
blue ring
Ti
Ti
Ti
Ti
Ti
Ti
Ti
Ti
Ni
Ni
Ni
Ni
Ni
Ni
Ni
Ni
red ring
yellow ring
yellow ring
yellow ring
yellow ring
yellow ring
yellow ring
blue ring
blue ring
blue ring
blue ring
blue ring
blue ring
green ring
green ring
green ring
green ring
green ring
green ring
green ring
green ring
Standard
DIN 371
DIN 376
DIN 376
DIN 374
DIN 374
DIN 371
DIN 376
DIN 371
DIN 376
DIN 371
DIN 376
DIN 371
DIN 371
DIN 371
DIN 371
DIN 376
DIN 376
DIN 376
DIN 374
DIN 374
DIN 374
DIN 371
DIN 376
DIN 374
DIN 374
DIN 371
DIN 374
DIN 371
DIN 376
DIN 374
DIN 376
DIN 371
DIN 374
DIN 371
DIN 371
DIN 371
DIN 371
DIN 371
DIN 371
DIN 371
DIN 371
DIN 371
DIN 371
DIN 371
DIN 371
DIN 371
DIN 371
DIN 371
DIN 371
Guhring Std.
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
Coolant
Chamfer
Helix
Surface
Tolerance
Page
axial coolant fed
Form C
Form C
Form C
Form C
Form C
Form B
Form B
Form C
Form C
Form E
Form C
Form C
Form C
Form B
Form C
Form C
Form B
Form C
Form C
Form B
Form C
Form E
Form E
Form E
Form C
Form B
Form B
Form B
Form B
Form B
Form C
Form C
Form C
Form B
Form B
Form B
Form B
Form C
Form C
Form C
Form C
Form B
Form B
Form B
Form B
Form C
Form C
Form C
Form C
Form D
Form B
Form B
Form B
Form C
Form C
Form C
Form B
Form B
Form B
Form C
Form C
Form C
Form B
Form B
Form B
Form B
Form B
Form B
Form C
Form C
40° helix
bright finish
oxide finish
bright finish
oxide finish
bright finish
TiCN coated
TiCN coated
TiCN coated
TiCN coated
*TiCN coated
*TiCN coated
*TiCN coated
oxide finish
bright finish
bright finish
oxide finish
bright finish
bright finish
oxide finish
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
oxide finish
oxide finish
oxide finish
oxide finish
oxide finish
TiN coated
TiN coated
TiN coated
TiCN coated
TiCN coated
TiCN coated
TiCN coated
TiCN coated
TiCN coated
TiCN coated
TiCN coated
TiAlN coated
TiAlN coated
TiAlN coated
TiAlN coated
TiAlN coated
TiAlN coated
TiAlN coated
TiAlN coated
TiCN coated
bright finish
bright finish
bright finish
bright finish
bright finish
bright finish
TiN coated
TiN coated
TiN coated
TiN coated
TiN coated
TiN coated
bright finish
bright finish
bright finish
TiN coated
TiN coated
TiN coated
bright finish
bright finish
ISO 2(6H)
6HX
ISO 2(6H)
6HX
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
6HX
6HX
6HX
2B
2B
2B
2B
2B
2B
2B
2B
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
2B
6H
ISO 2(6H)
2B
2B
2B
ISO 2(6H)
ISO 2(6H)
ISO 2(6H)
6HX
Page 72
Page 82
Page 72
Page 83
Page 75
Page 69
Page 69
Page 72
Page 73
Page 110
Page 111
Page 110
Page 78
Page 58
Page 62
Page 78
Page 58
Page 62
Page 79
Page 59
Page 47
Page 49
Page 49
Page 48
Page 63
Page 40
Page 41
Page 38
Page 38
Page 39
Page 65
Page 65
Page 65
Page 95
Page 95
Page 94
Page 94
Page 97
Page 97
Page 96
Page 96
Page 95
Page 95
Page 94
Page 94
Page 97
Page 97
Page 96
Page 96
Page 73
Page 28
Page 26
Page 27
Page 34
Page 32
Page 33
Page 60
Page 58
Page 59
Page 64
Page 62
Page 63
Page 40
Page 38
Page 39
Page 40
Page 38
Page 39
Page 46
Page 42
axial coolant fed
axial coolant fed
axial coolant fed
radial coolant fed
radial coolant fed
radial coolant fed
* All carbide form taps will be changing to TiCN coating as inventory levels are replenished
40° helix
40° helix
40° helix
40° helix
40° helix
40° helix
40° helix
40° helix
40° helix
40° helix
40° helix
15° helix
15° helix
15° helix
15° helix
15° helix
15° helix
15° helix
10° helix
10° helix
10° helix
10° helix
0° helix
40° helix
40° helix
40° helix
40° helix
40° helix
40° helix
40° helix
40° helix
6HX
2BX
2BX
6HX
6HX
2BX
2BX
6HX
6HX
2BX
2BX
6HX
6HX
2BX
2BX
ISO 2(6H)
6H
2B
2B
6H
2B
2B
6H
2B
2B
6H
2B
2B
6H
2B
2B
6H
2B
2B
6H
2B
137
Technical
Series
1894
1897
1901
1904
1907
1914
1915
1916
1917
1927
1931
1972
1979
1980
1981
1984
1985
1986
1989
1990
2424
2790
2791
2792
2867
2876
2879
2881
2883
2885
2895
2896
2897
2900
2902
2904
2906
2908
2910
2912
2914
2916
2917
2918
2919
2920
2921
2922
2923
2944
3900
3901
3902
3903
3904
3905
3906
3907
3908
3909
3910
3911
3912
3913
3914
3915
3916
3917
3918
3919
Technical
!PPENDIXæOFæ'UHRINGæ4APæ0ARTæ.UMBERS
Series
Thread Type
Substrate
Color ring
Style of tap
3920
3921
3922
3923
3924
3925
3926
3927
3928
3929
3930
3931
3932
3933
3934
3935
3936
3937
3938
3939
3940
3941
3942
3943
3944
3945
3946
3947
3948
3949
3950
3954
3955
3959
3960
3961
3962
3963
3964
3965
3966
3967
3968
3969
3970
3971
3972
3973
3974
3975
3976
3977
3978
3979
UNF
Metric
UNC
UNF
Metric
UNC
UNF
Metric
UNC
UNF
Metric
UNC
UNF
Metric
UNC
UNF
Metric
UNC
UNF
Metric
UNC
UNF
Metric
UNC
UNF
Metric
UNC
UNF
Metric
UNC
UNF
UNC
UNF
UNC
Metric
UNC
UNF
Metric
UNC
UNF
Metric
UNC
UNF
Metric
UNC
UNF
UNF
Metric fine
Metric fine
Metric fine
Metric
UNC
UNF
Metric
UNC /
oversized
UNF /
oversized
UNC /
oversized
UNF /
oversized
UNC /
oversized
UNF /
oversized
UNC /
oversized
UNF /
oversized
UNC / STI
UNF / STI
UNC / STI
UNF / STI
UNC
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
Cobalt
green ring
green ring
green ring
green ring
black ring
black ring
black ring
black ring
black ring
black ring
black ring
black ring
black ring
black ring
black ring
black ring
white ring
white ring
white ring
blind hole
blind hole
blind hole
blind hole
through hole
through hole
through hole
through hole
through hole
through hole
blind hole
blind hole
blind hole
blind hole
blind hole
blind hole
blind or through hole
blind or through hole
blind or through hole
form tap
form tap
form tap
form tap
form tap
form tap
through hole
through hole
through hole
blind hole
blind hole
blind hole
blind hole
blind hole
form tap
through hole
through hole
through hole
blind hole
blind hole
blind hole
through hole
through hole
through hole
blind hole
blind hole
blind hole
form tap
through hole
blind hole
form tap
blind hole
blind hole
blind hole
form tap
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
ANSI
blind hole
ANSI
3980
3981
3982
3983
3984
3985
3986
3987
3988
3989
3990
3991
3992
138
Cobalt
green ring
green ring
green ring
green ring
green ring
green ring
green ring
green ring
yellow ring
yellow ring
yellow ring
yellow ring
yellow ring
yellow ring
black ring
black ring
black ring
black ring
black ring
black ring
green ring
green ring
green ring
green ring
green ring
green ring
Standard
Coolant
axial coolant fed
axial coolant fed
Chamfer
Helix
Surface
Form C
Form C
Form C
Form C
Form B
Form B
Form B
Form B
Form B
Form B
Form C
Form C
Form C
Form C
Form C
Form C
Form C
Form C
Form C
Form C
Form C
Form C
Form C
Form C
Form C
Form B
Form B
Form B
Form C
Form C
Form C
Form C
Form C
Form E
Form B
Form B
Form B
Form C
Form C
Form C
Form B
Form B
Form B
Form C
Form C
Form C
Form E
Form B
Form C
Form C
Form E
Form E
Form E
Form E
40° helix
40° helix
40° helix
40° helix
bright finish
TiN coated
TiN coated
TiN coated
bright finish
bright finish
bright finish
TiN coated
TiN coated
TiN coated
bright finish
bright finish
bright finish
TiN coated
TiN coated
TiN coated
FIREX® coated
FIREX® coated
FIREX® coated
TiN coated
TiN coated
TiN coated
TiCN coated
TiCN coated
TiCN coated
TiCN coated
TiCN coated
TiCN coated
TiCN coated
TiCN coated
TiCN coated
TiN coated
TiN coated
TiN coated
MolyGlide®
MolyGlide®
MolyGlide®
MolyGlide®
MolyGlide®
MolyGlide®
MolyGlide®
MolyGlide®
MolyGlide®
MolyGlide®
MolyGlide®
MolyGlide®
TiN coated
TiN coated
TiN coated
TiN coated
TiN coated
TiN coated
TiN coated
TiN coated
2B
6H
2B
2B
6H
2B
2B
6H
2B
2B
6H
2B
2B
6H
2B
2B
6HX
2B
2B
6HX
2BX
2BX
6HX
2BX
2BX
6H
2B
2B
6H
2B
2B
2B
2B
2BX
6H
2B
2B
6H
2B
2B
6H
2B
2B
6H
2B
2B
2BX
6H
6H
6HX
6H
2B
2B
6HX
Page 43
Page 46
Page 42
Page 43
Page 87
Page 86
Page 86
Page 87
Page 86
Page 86
Page 90
Page 89
Page 89
Page 90
Page 89
Page 89
Page 80
Page 78
Page 79
Page 109
Page 106
Page 107
Page 109
Page 106
Page 107
Page 40
Page 38
Page 39
Page 46
Page 42
Page 43
Page 45
Page 45
Page 106
Page 28
Page 26
Page 27
Page 34
Page 32
Page 33
Page 87
Page 86
Page 86
Page 90
Page 89
Page 89
Page 108
Page 41
Page 47
Page 111
Page 48
Page 44
Page 44
Page 109
TiN coated
H7
Page 52
45° helix
45° helix
45° helix
45° helix
45° helix
45° helix
40° helix
40° helix
40° helix
40° helix
40° helix
40° helix
40° helix
40° helix
45° helix
45° helix
45° helix
40° helix
40° helix
40° helix
40° helix
Form C
40° helix
40° helix
Tolerance
Page
Cobalt
green ring
blind hole
ANSI
Form C
TiN coated
H7
Page 53
Cobalt
green ring
through hole
ANSI
Form B
TiN coated
H7
Page 50
Cobalt
green ring
through hole
ANSI
Form B
TiN coated
H7
Page 51
Cobalt
green ring
blind hole
ANSI
Form C
40° helix
TiN coated
H11
Page 52
Cobalt
green ring
blind hole
ANSI
Form C
40° helix
TiN coated
H11
Page 53
Cobalt
green ring
through hole
ANSI
Form B
TiN coated
H11
Page 50
TiN coated
H11
Page 51
TiN coated
TiN coated
TiN coated
TiN coated
TiN coated
3B
3B
3B
3B
2B
Page 55
Page 55
Page 54
Page 54
Page 68
Cobalt
green ring
through hole
ANSI
Form B
Cobalt
Cobalt
Cobalt
Cobalt
PM cobalt
green ring
green ring
green ring
green ring
red ring
blind hole
blind hole
through hole
through hole
through hole
STI Tap
STI Tap
STI Tap
STI Tap
DIN / ANSI
Form C
Form C
Form B
Form B
Form B
40° helix
40° helix
TECHNICAL QUESTIONNAIRE
For the Application of Taps
o INQUIRY
o/2$%2o SAMPLE
Reference No. __________________________________________
ENDUSER
Company Name _________________________________________
Street Address __________________________________________
City _______________________________ State/Prov _________
Zip/Postal Code _____________ Country ____________________
DISTRIBUTOR
Company Name _________________________________________
Street Address __________________________________________
City _______________________________ State/Prov _________
Zip/Postal Code _____________ Country ____________________
Contact Person __________________________________________
Title __________________________________________________
Tel _______________________ Fax ________________________
email _________________________________________________
Contact Person __________________________________________
Title __________________________________________________
Tel _______________________ Fax ________________________
email _________________________________________________
GUHRING Territory Manager _______________________________
Tel _______________________ Fax ________________________
WORKPIECE
Material Name / Description ______________________________________________________________________________________
ANSI Material No. _______________________________________
Hardness __________________ (If Aluminum, please list Silicon content)
German Material No. Internal use only __________________________
Thread Depth ___________________________________________
Predrilled Hole Diameter _________________________________
Hole Type o Blind o Through
TOOL
Blank Type o DIN o ANSI o Special
Tool Type o Tap o Form Tap o Lubricant Through
Tool Material o HSS-E o PM HSS-E o Carbide
Coating o Bright o/XIDEDo Nitrided o TiN o TiCN o TiAlN o FIREX® o AlTiN o MolyGlide™ o/THER
Size(s) ________________________________________________
_________________
Chamfer Type (No. of threads included) ___________________________
Notes _________________________________________________________________________________________________________
______________________________________________________________________________________________________________
______________________________________________________________________________________________________________
MACHINE
Machine Type / Name ____________________________________________________________________________________________
Spindle Position o Horizontal o VerticaI o/BLIQUE
TOOLHOLDER
Holder Type o Tapping Chuck
LUBRICANT
Lubricant Type
FEED
Feed Type
o Water Soluble
o Pneumatic
o Collet (Rigid)
o Tapping Attachment
o#UTTING/ILo Minimal Lubricant
o Hydraulic
o Manual
o Tension / Compression Tapping Chuck
o Dry
o Mechanical
QUANTITIES
Quantities To Quote _____________________________________________________________________________________________
&AXTO
Attn: Paul Motzel
STANDARD & SPECIAL PRODUCT RANGE
• Carbide Standards •
GU 500 DZ Universal Drills
RT 100 U/ F High Penetration Drills
• Carbide Specials •
Coolant-Through GT 80 IC Parabolic Flute
Deep Hole Drills
GT 50 Parabolic Flute Deep Hole Drills
General Purpose Drills
Heavy Duty Drills
Heavy Duty Split Point Drills
Low Helix Drills
High Helix Drills
Micro-Precision Drills
NC Spot Drills
Drill-Countersinks
Ne
Ne
w!
w!
High Performance HSS-E Taps
Drills
RT High Performance Drills
G Drills
Gun Drills
Three- & Four-Flute Drills
Step Drills
Step Drill Reamers
Step Core Drills
Step Core Drill Reamers
Reamers
Step Reamers
Subland Drills
Subland Drill Reamers
Subland Core Drills
Taps
End Mills
Ne New
w!
!
Ne
w!
Drills
Step Drills
Step Drill Reamers
Step Core Drills
Step Core Drill Reamers
Reamers
Step Reamers
Subland Drills
Subland Drill Reamers
Subland Core Drills
Taps
DISTRIBUTED BY:
DISTRIBUTED BY:
Titanium Nitride (TiN)
Titanium Carbonitride (TiCN)
Titanium Aluminum Nitride (TiAlN)
FIREX® Special Multilayer Hard Coating
Super A (AlTiN)
MolyGlide ® Lubricating Soft Coating
Nitride / Steam Oxide
ICE® Chromium-Based
nano-FIREX® micro thin film gradient
structure
Ne
w!
GT 80 Parabolic Flute Deep Hole Drills
Ne Ne
w!
w!
Coolant-Through GT 100 IC Parabolic Flute
Deep Hole Drills
N
Ne
w! ew!
Ne
w!
GT 100 Parabolic Flute Deep Hole Drills
• Coating Services •
Ne
w!
• HSS & HSCO Specials •
Ne
w!
High Performance PM HSS-E Taps
RT 100 X High Penetration Drills
RT 100 R High Penetration Drills
RT 100 T Deep Hole Drills
Coolant-Through RT 100 U/ F/C
High Penetration Drills
Coolant-Through RT 150 GG
Straight-Flute High Penetration Drills
Coolant-Through HT/ RT 800 WP
Interchangeable Insert Drills
GS 200 U/G Three-Flute
High Precision Drills
GT 100 Parabolic Flute Deep Hole Drills
Exclusive Line ® Small-Diameter Drills
EB 100 Small-Diameter Single-Flute
Gun Drills
General Purpose Drills
NC Spot Drills
PRO-Line Universal End Mills
TECH-Line High Performance End Mills
• PCD Specials •
Ne Ne
w! w!
GT 500 DZ High Performance Drills
Ne Ne Ne
w! w! w!
• HSS, HSCO & PM Standards •
• Reconditioning Service •
• GM 300 Modular HSK •
Toolholding System
Hydraulic / Shrink / Collet Chucks
Adapters
Collets
• GE 100 Modular •
Tooling System
ISO 9001: 2000 CERTIFIED
ISO 9001: 2000 CERTIFIED
Guhring, Inc.
P.O. Box 643,
Guhring,
Inc. Brookfield, WI 53008-0643
P.O.
Box
643,
Brookfield, WI 53008-0643
Shipping Address
1445 Commerce
Shipping
AddressAvenue
Brookfield,
WI 53045
1445
Commerce
Avenue
(262) 784-6730
Tel
Brookfield,
WI 53045 (800) 776-6170
Fax
Tel (262) 784-9096
784-6730 (800) 776-6170
(
)
Fax
262
West Coast784-9096
Distribution Center
16291Coast
Gothard
Street Center
West
Distribution
Huntington
Beach, CA
17902
Georgetown
Lane92647
) 877-7202
Tel (714) 841-3582
Huntington
Beach, CA(800
92647
(
)
Fax
714
841-3592
Tel
841-3582 (800) 877-7202
) 841-3592
Fax (714Corporation
Guhring
20
Steckle
Place, Unit #14
Guhring
Corporation
Kitchener,
N2E
2C3#14
20
Steckle ON
Place,
Unit
(800) 463-5555
Tel (519) ON
748-9664
Kitchener,
N2E 2C3
(
)
Fax 519 748-9664
748-2954 (800) 463-5555
Tel
Fax (519) 748-2954
© Guhring, Inc. 2010
© Guhring, Inc. 2005
FORM 01-3901 (06/10)
FORM 01-6400 (8/05)