2a thread class right-hand 0.344" thread length flat chamfer head style 28 thread quantity per inch SL0t on opposite end 0094 in. w phosphate manganese surface treated unf thread series
2a thread class right-hand 0.656" thread length flat chamfer head style 32 thread quantity per inch 3rd shoulder 0.245 in. min 0.250 in. max dia AND0.338 in. min 0.348 in. max lg; 4th shoulder 0.307 in. min 0.312 in. max dia zinc surface treated unf thread series
2a thread class 0.097" thread length flat chamfer head style 56 thread quantity per inch thd relieved groove, 1/32 in. radius, undercut to 0.075 in. dia unf thread series
3a thread class right-hand 0.282" thread length flat chamfer head style 0.062" hole diameter 32 thread quantity per inch oxide surface treated unf thread series
2a thread class right-hand 0.281" thread length hexagon head style 32 thread quantity per inch navy special project cadmium surface treated unc thread series
3a thread class right-hand 0.375" thread length flat chamfer head style 32 thread quantity per inch head w/additional drive slot at 90 deg passivate surface treated unf thread series
2a thread class right-hand 0.098" thread length flat chamfer head style 40 thread quantity per inch thread relief 0.070 in. min 0.075 in. max dia, 0.050 in. min 0.060 in. max wide passivate surface treated unc thread series
3a thread class right-hand 0.292" thread length flat chamfer head style 24 thread quantity per inch shoulder relief cut to 0.093 in. max width; 0.236 in. dia; thd relief 0.062 in. max width, 0.133 in. min dia passivate surface treated unc thread series
