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Cap Screws
Basic Screw Diam. |
D |
A |
H |
C |
J |
F |
T |
G |
K |
Body Diameter |
Head Diameter |
Head Height |
Top Chamfer or Radius |
Hex Socket Size |
Fill Transition Diameter |
Key Engagement |
Wall Thickness |
Bottom Chamfer or Radius |
Max |
Min |
Max |
Min |
Max |
Min |
Max |
Nom |
Max |
Min |
Min |
Min |
Max |
0 |
0.0600 |
0.0568 |
0.096 |
0.091 |
0.060 |
0.057 |
0.004 |
0.050 |
0.074 |
0.063 |
0.025 |
0.020 |
0.007 |
1 |
0.0730 |
0.0695 |
0.118 |
0.112 |
0.073 |
0.070 |
0.005 |
1/16 |
0.087 |
0.076 |
0.031 |
0.025 |
0.007 |
2 |
0.0860 |
0.0822 |
0.140 |
0.134 |
0.086 |
0.083 |
0.008 |
5/64 |
0.102 |
0.090 |
0.038 |
0.029 |
0.007 |
3 |
0.0990 |
0.0949 |
0.161 |
0.154 |
0.099 |
0.095 |
0.008 |
5/64 |
0.115 |
0.103 |
0.044 |
0.034 |
0.007 |
4 |
0.1120 |
0.1075 |
0.183 |
0.176 |
0.112 |
0.108 |
0.009 |
3/32 |
0.130 |
0.118 |
0.051 |
0.038 |
0.008 |
5 |
0.1250 |
0.1202 |
0.205 |
0.198 |
0.125 |
0.121 |
0.012 |
3/32 |
0.145 |
0.132 |
0.057 |
0.043 |
0.008 |
6 |
0.1380 |
0.1329 |
0.226 |
0.218 |
0.138 |
0.134 |
0.013 |
7/64 |
0.158 |
0.145 |
0.064 |
0.047 |
0.008 |
8 |
0.1640 |
0.1585 |
0.270 |
0.262 |
0.164 |
0.159 |
0.014 |
9/64 |
0.188 |
0.173 |
0.077 |
0.056 |
0.008 |
10 |
0.1900 |
0.1840 |
0.312 |
0.303 |
0.190 |
0.185 |
0.018 |
5/32 |
0.218 |
0.202 |
0.090 |
0.065 |
0.008 |
1/4 |
0.2500 |
0.2435 |
0.375 |
0.365 |
0.250 |
0.244 |
0.025 |
3/16 |
0.278 |
0.262 |
0.120 |
0.095 |
0.010 |
5/16 |
0.3125 |
0.3053 |
0.469 |
0.457 |
0.312 |
0.306 |
0.033 |
1/4 |
0.347 |
0.329 |
0.151 |
0.119 |
0.010 |
3/8 |
0.3750 |
0.3678 |
0.562 |
0.550 |
0.375 |
0.368 |
0.040 |
5/16 |
0.415 |
0.398 |
0.182 |
0.143 |
0.010 |
7/16 |
0.4375 |
0.4294 |
0.656 |
0.642 |
0.438 |
0.430 |
0.047 |
3/8 |
0.484 |
0.465 |
0.213 |
0.166 |
0.015 |
1/2 |
0.5000 |
0.4919 |
0.750 |
0.735 |
0.500 |
0.492 |
0.055 |
3/8 |
0.552 |
0.532 |
0.245 |
0.190 |
0.015 |
5/8 |
0.6250 |
0.6163 |
0.938 |
0.921 |
0.625 |
0.616 |
0.070 |
1/2 |
0.689 |
0.664 |
0.307 |
0.238 |
0.015 |
3/4 |
0.7500 |
0.7406 |
1.125 |
1.107 |
0.750 |
0.740 |
0.085 |
5/8 |
0.828 |
0.801 |
0.370 |
0.285 |
0.015 |
7/8 |
0.8750 |
0.8647 |
1.312 |
1.293 |
0.875 |
0.864 |
0.100 |
3/4 |
0.963 |
0.933 |
0.432 |
0.333 |
0.020 |
1 |
1.0000 |
0.9886 |
1.500 |
1.479 |
1.000 |
0.988 |
0.114 |
3/4 |
1.100 |
1.069 |
0.495 |
0.380 |
0.020 |
1 1/4 |
1.2500 |
1.2336 |
1.875 |
1.852 |
1.250 |
1.236 |
0.144 |
7/8 |
1.370 |
1.334 |
0.620 |
0.475 |
0.020 |
1 1/2 |
1.5000 |
1.4818 |
2.250 |
2.224 |
1.500 |
1.485 |
0.176 |
1 |
1.640 |
1.602 |
0.745 |
0.570 |
0.020 |