2a thread class right-hand 0.500" thread length hexagon head style 24 thread quantity per inch top of head casehardened 58 to 62 rockwell c scale 0.31 in. to 0.50 in. deep unf thread series
3a thread class right-hand 1.200" thread length crowned hexagon head style 0.090" grip length 18 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 0.810" thread length hexagon head style 6.160" grip length 14 thread quantity per inch cadmium surface treated uns thread series
3a thread class right-hand 0.928" thread length hexagon head style 0.040" grip length 24 thread quantity per inch 0.3737 to 0.3742 in. dia unthd portion, magnetic inspection required cadmium surface treated unf thread series
2a thread class right-hand 1.250" thread length square head style 0.125" grip length 18 thread quantity per inch lead surface treated unc thread series
3a thread class right-hand 0.406" thread length hexagon head style 1.172" grip length 24 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 1.875" thread length hexagon head style 6.312" grip length 10 thread quantity per inch cadmium surface treated unc thread series
3a thread class right-hand 0.470" thread length hexagon head style 0.212" grip length 28 thread quantity per inch grooved in head perpendicular to the longitudinal axis of the shank 0.28 in. to 0.30 in. dia by 0.09 in. to 0.15 in. wide unf thread series
2a thread class right-hand 0.690" thread length hexagon head style 0.680" grip length 20 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 1.343" thread length hexagon head style 2.609" grip length 12 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.608" thread length hexagon head style 5.422" grip length 24 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 1.375" thread length hexagon head style 3.875" grip length 16 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.451" thread length hexagon head style 0.673" grip length 32 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.451" thread length hexagon head style 4.235" grip length 32 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.374" thread length hexagon head style 1.984" grip length 32 thread quantity per inch passivate surface treated unf thread series
