2a thread class right-hand 0.082" thread length flat countersunk head style 64 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.590" thread length fillister extended washer head style 28 thread quantity per inch primer screw surface treated unf thread series
2a thread class right-hand 0.229" thread length flat chamfer head style 64 thread quantity per inch under side of head chamfered 0.010 in. to 0.020 in. high, 40.0 to 50.0 degree chamfer unf thread series
2a thread class right-hand 0.247" thread length flat countersunk undercut head style 40 thread quantity per inch oxide screw surface treated unc thread series
2a thread class right-hand 0.500" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.575" thread length fillister head style 40 thread quantity per inch nickel or cadmium screw surface treated unc thread series
2a thread class right-hand 1.212" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unc thread series
2a thread class right-hand 0.282" thread length watertight head style 32 thread quantity per inch passivate screw surface treated furnished with one o-ring for self-sealing purposes unf thread series
2a thread class right-hand 1.580" thread length pan head style 40 thread quantity per inch navy special project passivate screw surface treated unc thread series
3a thread class right-hand 0.270" thread length flat countersunk head style 48 thread quantity per inch passivate screw surface treated unf thread series
3a thread class right-hand 0.475" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unjc thread series