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Set Screws Inch Series Size Table
ANSI Engineering Hardware
ISO Metric Engineering Hardware
Set Screws per. ANSI / ASME B18.3 with hexagon and spline socket drives.
Set Screw Type A |
Set Screw Type B |
Set Screw Type C |
Set Screw Type D |
Set Screw Type E |
Set Screw Type F |
Set Screw Type G |
All dimensions are in inches
Nominal Size |
Point Diameter |
Point Diameter |
Point Diameter |
Point Length |
||||
Max. |
Min. |
Max. |
Min. |
Max. |
Min. |
Max. |
Min. |
|
C |
C1 |
C2 |
S |
|||||
0 |
0.033 |
0.027 |
0.032 |
0.027 |
0.027 |
0.022 |
0.007 |
0.004 |
1 |
0.040 |
0.033 |
0.038 |
0.033 |
0.035 |
0.030 |
0.008 |
0.005 |
2 |
0.047 |
0.039 |
0.043 |
0.038 |
0.043 |
0.038 |
0.010 |
0.007 |
3 |
0.054 |
0.045 |
0.050 |
0.045 |
0.051 |
0.046 |
0.011 |
0.007 |
4 |
0.061 |
0.051 |
0.056 |
0.051 |
0.059 |
0.054 |
0.013 |
0.008 |
5 |
0.067 |
0.057 |
0.062 |
0.056 |
0.068 |
0.063 |
0.014 |
0.009 |
6 |
0.074 |
0.064 |
0.069 |
0.062 |
0.074 |
0.068 |
0.017 |
0.012 |
8 |
0.087 |
0.076 |
0.082 |
0.074 |
0.090 |
0.084 |
0.021 |
0.016 |
10 |
0.102 |
0.088 |
0.095 |
0.086 |
0.101 |
0.095 |
0.024 |
0.019 |
1⁄4 |
0.132 |
0.118 |
0.125 |
0.114 |
0.156 |
0.150 |
0.027 |
0.022 |
5⁄16 |
0.172 |
0.156 |
0.156 |
0.144 |
0.190 |
0.185 |
0.038 |
0.033 |
3⁄8 |
0.212 |
0.194 |
0.187 |
0.174 |
0.241 |
0.236 |
0.041 |
0.036 |
7⁄16 |
0.252 |
0.232 |
0.218 |
0.204 |
0.286 |
0.281 |
0.047 |
0.042 |
1⁄2 |
0.291 |
0.270 |
0.250 |
0.235 |
0.333 |
0.328 |
0.054 |
0.049 |
5⁄8 |
0.371 |
0.347 |
0.312 |
0.295 |
0.425 |
0.420 |
0.067 |
0.062 |
3⁄4 |
0.450 |
0.425 |
0.375 |
0.357 |
0.523 |
0.518 |
0.081 |
0.076 |
7⁄8 |
0.530 |
0.502 |
0.437 |
0.418 |
… |
… |
… |
… |
---|---|---|---|---|---|---|---|---|
1 |
0.609 |
0.579 |
0.500 |
0.480 |
… |
… |
… |
… |
1 - 1⁄8 |
0.689 |
0.655 |
0.562 |
0.542 |
… |
… |
… |
… |
1 - 1⁄4 |
0.767 |
0.733 |
0.625 |
0.605 |
… |
… |
… |
… |
1 - 3⁄8 |
0.848 |
0.808 |
0.687 |
0.667 |
… |
… |
… |
… |
1 - 1⁄2 |
0.926 |
0.886 |
0.750 |
0.730 |
… |
… |
… |
… |
1 - 3⁄4 |
1.086 |
1.039 |
0.875 |
0.855 |
… |
… |
… |
… |
2 |
1.244 |
1.193 |
1.000 |
0.980 |
… |
… |
… |
… |
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