TAP HOLDERS
TAP DIMENSIONAL DATA
Shank Diameter
Square Diameter
U.S.
JIS DIN 371 DIN 376 ISO Metric Metric Metric Metric
Inch
Metric
Inch
Metric Metric
Inch
0.512 0.547 0.551 0.590 0.591 0.626 0.630 0.652 0.669 0.697 0.704 0.709 0.748 0.760 0.782 0.787 0.787 0.800 0.827 0.866 0.876 0.896 0.906 0.945 0.978 0.984 0.984 1.021 1.024 1.095 1.102 1.102 1.108 1.181 1.260 1.260 1.417 1.575
13.0 14.0 14.0 15.0 15.0 16.0 16.0 16.6 17.0 17.7 18.0 18.0 19.0 19.3 20.0 20.0 20.0 20.3 21.0 22.0 22.4 22.8 23.0 24.0 25.0 25.0 25.0 25.9 26.0 28.0 28.0 28.0 28.1 30.0 32.0 32.0 36.0 40.0
0.394 0.438 0.433 0.442 0.472 0.489 0.472 0.489 0.512 0.523 0.547 0.571 0.591 0.570 0.626 0.630 0.591 0.600 0.669 0.709 0.704 0.672 0.669 0.748 0.782 0.787 0.748 0.766 0.827 0.876 0.866 0.827 0.831 0.906 0.945 1.024 1.142 1.260
10.0 11.2 11.0 11.2 12.0 12.5 12.0 12.4 13.0 13.3 14.0 14.5 15.0 14.5 16.0 16.0 15.0 15.2 17.0 18.0 18.0 17.1 17.0 19.0 20.0 20.0 19.0 19.5 21.0 22.4 22.0 21.0 21.1 23.0 24.0 26.0 29.0 32.0
M17
M20, M18
M18
M18
3/4"
M20
M22
M20
M20
13/16"
M22
M22
7/8"
M24
M22, M24
M25
M24
15/16"
M30, M27
M27
M26, M27
M25
1"
M28
M30
M33
M27
1-1/16"
M30 M32
M36, M33
M33
M33
M30
1-3/16"
M34, M35
M42, M39
M36
M36, M38
M33
1-5/16"
M39, M40
M39, M42
M42
M45, M48
M52
225
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