Dimensions of Socket Head Shoulder Screws * Alloy SteelSocket Head Shoulder Screws 
Socket Head Shoulder Screws * Alloy Steel
Nominal Size D A H C J T M K F
Shoulder Diameter Head Diemeter Head Height   Hex Socket Size   Head Fillet Extension Above D Shoulder Neck Diameter Shoulder Neck Width
Max Min Max Min Max Min Min Nom Min Max Min Max
1/4 0.2480 0.2460 0.375 0.357 0.188 0.177 0.020 1/8 0.094 0.276 0.227 0.093
5/16 0.3105 0.3085 0.438 0.419 0.219 0.209 0.026 5/32 0.117 0.345 0.289 0.093
3/8 0.3730 0.3710 0.562 0.543 0.250 0.240 0.031 3/16 0.141 0.413 0.352 0.093
1/2 0.4980 0.4960 0.750 0.729 0.312 0.302 0.040 1/4 0.188 0.550 0.477 0.093
5/8 0.6230 0.6210 0.875 0.853 0.375 0.365 0.050 5/16 0.234 0.687 0.602 0.093
3/4 0.7480 0.7460 1.000 0.977 0.500 0.490 0.069 3/8 0.281 0.826 0.727 0.093