3a thread class right-hand 0.400" thread length dished hexagon head style 1.740" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.400" thread length dished hexagon head style 4.490" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.400" thread length dished hexagon head style 4.365" grip length 28 thread quantity per inch cadmium surface treated unjf thread series