3a thread class right-hand 0.979" thread length flat countersunk head style 24 thread quantity per inch cadmium screw surface treated unf thread series
2a thread class right-hand 0.318" thread length flat chamfer head style 32 thread quantity per inch navy special project passivate screw surface treated 45.0 degree angle cut on top side of head unc thread series
3a thread class right-hand 0.658" thread length flat countersunk head style 24 thread quantity per inch passivate screw surface treated unf thread series
3a thread class right-hand 2.360" thread length hexagon head style 24 thread quantity per inch cadmium or chromate screw surface treated unjf thread series
3a thread class right-hand 0.532" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjf thread series
3a thread class right-hand 1.750" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unf thread series
2a thread class right-hand 0.420" thread length flat countersunk head style 80 thread quantity per inch passivate screw surface treated unf thread series
2a thread class right-hand 0.533" thread length pan head style 32 thread quantity per inch passivate screw surface treated furnished with boot type nylon washer 0.495 in. min. unf thread series