2a thread class right-hand 0.313" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.090" thread length flat chamfer head style 48 thread quantity per inch navy special project passivate screw surface treated unf thread series
2a thread class right-hand 1.125" thread length fillister head style 32 thread quantity per inch passivate screw surface treated with one drilled hole in head unc thread series
2a thread class right-hand 0.109" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.699" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unf thread series
2a thread class right-hand 0.438" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 0.500" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.499" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unf thread series