3a thread class right-hand 0.531" thread length hexagon head style 0.070" hole diameter 2.688" grip length 24 thread quantity per inch cadmium or chromate surface treated unf thread series
3a thread class right-hand 1.375" thread length hexagon head style 2.000" grip length 14 thread quantity per inch cadmium surface treated uns thread series
3a thread class right-hand 0.500" thread length hexagon head style 0.070" hole diameter 2.922" grip length 24 thread quantity per inch cadmium or chromate surface treated unf thread series
3a thread class right-hand 0.531" thread length hexagon head style 1.438" grip length 24 thread quantity per inch passivate surface treated unf thread series