2a thread class right-hand 0.059" thread length flat countersunk undercut head style 40 thread quantity per inch oxide screw surface treated unc thread series
2a thread class right-hand 0.294" thread length fillister head style 0.037" hole diameter 40 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 0.314" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjf thread series
2a thread class right-hand 0.471" thread length flat countersunk head style 24 thread quantity per inch passivate screw surface treated unf thread series
2a thread class right-hand 0.107" thread length fillister head style 0.046" hole diameter 40 thread quantity per inch cadmium screw surface treated unf thread series
2a thread class right-hand 0.231" thread length fillister head style 0.046" hole diameter 40 thread quantity per inch cadmium or chromate screw surface treated unf thread series
2a thread class right-hand 0.669" thread length fillister head style 0.046" hole diameter 40 thread quantity per inch cadmium screw surface treated unf thread series