3a thread class right-hand 0.553" thread length dished hexagon head style 4.115" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.444" thread length hexagon head style 1.928" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.451" thread length hexagon head style 4.235" grip length 32 thread quantity per inch passivate surface treated unf thread series