2a thread class right-hand 0.188" thread length pan head style 32 thread quantity per inch navy special project finish color black oxide surface treated unc thread series
3a thread class right-hand 0.314" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series
3a thread class right-hand 0.564" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series
3a thread class right-hand 0.331" thread length flat countersunk head style 40 thread quantity per inch cadmium screw surface treated unjc thread series
3a thread class right-hand 0.291" thread length oval countersunk head style 0.802" grip length 28 thread quantity per inch passivate surface treated unjf thread series