3a thread class right-hand 0.812" thread length hexagon head style 0.190" grip length 20 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.518" thread length dished hexagon head style 3.302" grip length 18 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.203" thread length fillister head style 0.062" hole diameter 20 thread quantity per inch cadmium surface treated unc thread series
3a thread class right-hand 0.923" thread length flat countersunk head style 24 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.741" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.595" thread length flat countersunk head style 24 thread quantity per inch cadmium screw surface treated unf thread series