3a thread class right-hand 0.437" thread length hexagon head style 0.296" grip length 28 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 1.830" thread length bevel-conical head style 0.063" hole diameter 18 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.750" thread length hexagon head style 1.000" grip length 28 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.312" thread length flat chamfer head style 56 thread quantity per inch top of head chamfered 30 deg passivate surface treated unc thread series
3a thread class right-hand 0.438" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unc thread series
3a thread class right-hand 0.602" thread length hexagon head style 0.423" grip length 24 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.375" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.514" thread length hexagon head style 0.547" grip length 28 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.453" thread length dished hexagon head style 1.375" grip length 20 thread quantity per inch cadmium surface treated unf thread series