| Socket Head Screws (SHCS) | |||||
|---|---|---|---|---|---|
Screw Head Diameter |
Screw Head Height |
||||
Screw # |
Thread Dia. |
Minimum |
Maximum |
Minimum |
Maximum |
0 |
0.060 |
0.091 |
0.096 |
0.057 |
0.060 |
1 |
0.073 |
0.112 |
0.118 |
0.070 |
0.073 |
2 |
0.086 |
0.134 |
0.140 |
0.083 |
0.086 |
3 |
0.099 |
0.154 |
0.161 |
0.095 |
0.099 |
4 |
0.112 |
0.176 |
0.183 |
0.108 |
0.112 |
5 |
0.125 |
0.198 |
0.205 |
0.121 |
0.125 |
6 |
0.138 |
0.218 |
0.226 |
0.134 |
0.138 |
8 |
0.164 |
0.262 |
0.270 |
0.159 |
0.164 |
10 |
0.190 |
0.303 |
0.312 |
0.185 |
0.190 |
1/4 |
0.250 |
0.365 |
0.375 |
0.244 |
0.250 |
5/16 |
0.313 |
0.457 |
0.469 |
0.306 |
0.312 |
3/8 |
0.375 |
0.550 |
0.562 |
0.368 |
0.375 |
7/16 |
0.438 |
0.642 |
0.656 |
0.430 |
0.438 |
1/2 |
0.500 |
0.735 |
0.750 |
0.492 |
0.500 |
5/8 |
0.625 |
0.921 |
0.938 |
0.616 |
0.625 |
3/4 |
0.750 |
1.107 |
1.125 |
0.740 |
0.750 |
-..- |
|||||
Flat Head Screws (FHCS) |
|||||
Countersink Diameter for 82, 90, 100 deg Screws |
|||||
Screw # |
Diameter |
Minimum |
Maximum |
||
0 |
0.060 |
0.099 |
0.119 |
||
1 |
0.073 |
0.123 |
0.146 |
||
2 |
0.086 |
0.147 |
0.172 |
||
3 |
0.099 |
0.171 |
0.199 |
||
4 |
0.112 |
0.195 |
0.225 |
||
5 |
0.125 |
0.220 |
0.252 |
||
6 |
0.138 |
0.244 |
0.279 |
||
8 |
0.164 |
0.292 |
0.332 |
||
10 |
0.190 |
0.340 |
0.385 |
||
1/4 |
0.250 |
0.452 |
0.507 |
||
5/16 |
0.313 |
0.568 |
0.635 |
||
3/8 |
0.375 |
0.685 |
0.762 |
||
7/16 |
0.438 |
0.723 |
0.812 |
||
1/2 |
0500 |
0.775 |
0.875 |
||
5/8 |
0.625 |
1.002 |
1.125 |
||
3/4 |
0.750 |
1.230 |
1.375 |
||
-..- |
|||||
All sizes and information are for reference only. Check with the manufacturer of any hardware to verify any and all information. |
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