2a thread class right-hand 0.522" thread length fillister head style 0.046" hole diameter 32 thread quantity per inch cadmium screw surface treated unc thread series
2a thread class right-hand 0.058" thread length fillister head style 32 thread quantity per inch undercut in bearing surface of head depth 0.010 to 0.015 diameter 0.236 to 0.269 unc thread series
2a thread class right-hand 0.059" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.750" thread length pan no. 2 head style 40 thread quantity per inch navy special project passivate screw surface treated unc thread series
2a thread class right-hand 0.037" thread length flat countersunk head style 56 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 1.750" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series
3a thread class right-hand 0.208" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated unjc thread series
3a thread class right-hand 2.460" thread length hexagon head style 0.046" hole diameter 28 thread quantity per inch navy special project cadmium screw surface treated unjf thread series
3a thread class right-hand 0.608" thread length hexagon head style 0.046" hole diameter 32 thread quantity per inch passivate screw surface treated unjf thread series
3a thread class right-hand 1.089" thread length hexagon head style 0.070" hole diameter 24 thread quantity per inch navy special project passivate screw surface treated unjf thread series