3a thread class right-hand 0.422" thread length 32 thread quantity per inch thd ends turned to 0.164 in. dia by 0.484 in. min 0.516 in. max lg; thd ends chamfered 45.0 deg by 0.031 in. lg cadmium surface treated square bend unc thread series
3a thread class right-hand 0.498" thread length flat chamfer head style 16 thread quantity per inch groove 0.281 in. porm 0.010 w between thd unc thread series
3a thread class right-hand 0.313" thread length hexagon head style 20 thread quantity per inch groove 0.180 in. dia by 0.093 in. wide w/0.030 in. radius between shoulder zinc surface treated unc thread series
3a thread class right-hand 0.220" thread length flat chamfer head style 20 thread quantity per inch groove 0.195 in. min 0.200 in. max dia by 0.030 in. min 0.040 in max w between threads passivate surface treated unc thread series
2a thread class right-hand 0.269" thread length flat chamfer head style 20 thread quantity per inch groove 0.172 to 0.182 in. dia by 0.065 to 0.085 in. w between shoulder unc thread series
2a thread class right-hand 0.311" thread length square extended washer head style 32 thread quantity per inch groove between shoulder unf thread series
3a thread class right-hand 0.590" thread length flat chamfer head style 20 thread quantity per inch groove 0.060 in. porm 0.005 w by 0.428 in. min 0.430 in. between shoulder unf thread series
2a thread class right-hand 0.190" thread length fillister head style 24 thread quantity per inch groove 0.100 in. w by 0.030 in. deep between thd unc thread series
2a thread class right-hand 0.250" thread length flat chamfer head style 24 thread quantity per inch navy special project passivate surface treated unc thread series
2a thread class right-hand 0.266" thread length flat chamfer head style 20 thread quantity per inch one undimensioned groove between thd passivate surface treated unc thread series