3a thread class right-hand 0.750" thread length fillister head style 0.062" hole diameter 20 thread quantity per inch cadmium screw surface treated unc thread series
3a thread class right-hand 0.575" thread length round head style 24 thread quantity per inch navy special project cadmium screw surface treated unf thread series
2a thread class right-hand 0.438" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unc thread series
2a thread class right-hand 0.138" thread length flat countersunk undercut head style 40 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.512" thread length fillister head style 0.037" hole diameter 40 thread quantity per inch cadmium screw surface treated unc thread series