2a thread class right-hand 0.313" thread length pan no. 2 head style 32 thread quantity per inch navy special project zinc screw surface treated unf thread series
2a thread class right-hand 0.188" thread length pan no. 2 head style 32 thread quantity per inch navy special project zinc screw surface treated unc thread series
3a thread class right-hand 0.022" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unc thread series
2a thread class right-hand 0.859" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated unf thread series
3a thread class right-hand 0.428" thread length flat countersunk head style 20 thread quantity per inch cadmium screw surface treated unjf thread series
3a thread class right-hand 0.390" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unjf thread series
2a thread class right-hand 0.314" thread length flat countersunk head style 64 thread quantity per inch navy special project cadmium screw surface treated unc thread series