3a thread class right-hand 0.406" thread length flat chamfer head style 20 thread quantity per inch 0.015 in. chamfer on corner of shoulder unf thread series
2a thread class right-hand 0.219" thread length binding head style 32 thread quantity per inch first diameter from bearing surface of head threaded w/no. 6-32 nc-2 thread enamel surface treated unc thread series
2a thread class right-hand 0.182" thread length flat countersunk undercut head style 32 thread quantity per inch oxide screw surface treated unc thread series
3a thread class right-hand 0.500" thread length hexagon head style 0.070" hole diameter 32 thread quantity per inch cadmium or zinc screw surface treated unf thread series
2a thread class right-hand 0.213" thread length fillister head style 32 thread quantity per inch passivate screw surface treated undercut 1/32 in. w to root dia of thread 0.225 in. - 0.015 from bearing surface of head unc thread series
2a thread class right-hand 0.333" thread length flat countersunk head style 28 thread quantity per inch phosphate screw surface treated unf thread series
3a thread class right-hand 0.327" thread length hexagon head style 0.500" grip length 28 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.343" thread length hexagon head style 1.125" grip length 24 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.343" thread length hexagon head style 1.250" grip length 24 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.380" thread length flat countersunk head style 0.240" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.469" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.641" thread length flat countersunk head style 24 thread quantity per inch cadmium screw surface treated unf thread series
