3a thread class right-hand 0.468" thread length hexagon head style 0.438" grip length 20 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 0.875" thread length hexagon head style 0.850" grip length 18 thread quantity per inch passivate surface treated unc thread series
3a thread class right-hand 0.750" thread length hexagon head style 0.125" grip length 24 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.608" thread length hexagon head style 6.672" grip length 24 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.781" thread length hexagon head style 1.188" grip length 20 thread quantity per inch anodize surface treated unf thread series