3a thread class right-hand 0.553" thread length dished hexagon head style 1.552" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.056" thread length flat countersunk head style 56 thread quantity per inch cadmium screw surface treated unc thread series
3a thread class right-hand 0.895" thread length dished hexagon head style 2.490" grip length 12 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 4.432" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series