2a thread class right-hand 0.375" thread length flat countersunk head style 32 thread quantity per inch enamel lusterless screw surface treated unc thread series
2a thread class right-hand 0.140" thread length flat countersunk head style 32 thread quantity per inch navy special project oxide screw surface treated unc thread series
2a thread class right-hand 0.813" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unf thread series
2a thread class right-hand 0.194" thread length fillister head style 0.030" hole diameter 56 thread quantity per inch cadmium screw surface treated unc thread series
3a thread class right-hand 0.267" thread length flat countersunk head style 40 thread quantity per inch cadmium screw surface treated unjc thread series
3a thread class right-hand 0.314" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unjf thread series