3a thread class right-hand 0.403" thread length flat countersunk head style 0.240" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.381" thread length flat countersunk head style 1.125" grip length 32 thread quantity per inch aluminum surface treated unjf thread series
3a thread class right-hand 0.381" thread length flat countersunk head style 0.938" grip length 32 thread quantity per inch aluminum surface treated unjf thread series
3a thread class right-hand 0.381" thread length oval countersunk head style 0.562" grip length 32 thread quantity per inch passivate surface treated unjf thread series
2a thread class right-hand 0.240" thread length hexagon head style 40 thread quantity per inch passivate surface treated concentric hole threaded unc thread series
2a thread class right-hand 0.169" thread length pan head style 40 thread quantity per inch navy special project oxide screw surface treated unf thread series