3a thread class right-hand 0.735" thread length hexagon head style 0.990" grip length 20 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.406" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series
3a thread class right-hand 0.469" thread length dished hexagon head style 0.076" hole diameter 1.178" grip length 24 thread quantity per inch unjf thread series
3a thread class right-hand 0.735" thread length dished hexagon head style 0.046" hole diameter 0.678" grip length 28 thread quantity per inch unjf thread series