3a thread class right-hand 0.251" thread length dished hexagon head style 0.178" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
2a thread class right-hand 0.195" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 0.380" thread length flat countersunk head style 0.552" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.710" thread length dished hexagon head style 1.115" grip length 20 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.444" thread length dished hexagon head style 1.115" grip length 24 thread quantity per inch cadmium surface treated unjf thread series