3a thread class right-hand 0.390" thread length flat countersunk head style 32 thread quantity per inch cadmium or chromate screw surface treated unf thread series
2a thread class right-hand 0.250" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.808" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 0.214" thread length flat countersunk head style 48 thread quantity per inch passivate screw surface treated unf thread series
2a thread class right-hand 0.188" thread length flat countersunk head style 80 thread quantity per inch cadmium screw surface treated unf thread series
2a thread class right-hand 0.198" 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 0.200" thread length fillister head style 0.037" hole diameter 40 thread quantity per inch cadmium screw surface treated unc thread series
3a thread class right-hand 0.312" thread length flat chamfer head style 72 thread quantity per inch navy special project passivate screw surface treated unf thread series
3a thread class right-hand 0.406" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unf thread series
2a thread class right-hand 0.309" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.375" thread length fillister head style 0.046" hole diameter 32 thread quantity per inch passivate screw surface treated unc thread series