3a thread class right-hand 0.560" thread length headless (setscrew) head style 24 thread quantity per inch point w/0.030 in. radius passivate surface treated unf thread series
2a thread class right-hand 0.500" thread length headless (setscrew) head style 18 thread quantity per inch navy special project passivate surface treated unf thread series
2a thread class right-hand 0.355" thread length headless (setscrew) head style 64 thread quantity per inch 0.134 in. dia by 0.032 in. lg between point uns thread series
2a thread class right-hand 1.625" thread length headless (setscrew) head style 16 thread quantity per inch oxide or cadmium surface treated unc thread series
3a thread class right-hand 0.115" thread length headless (setscrew) head style 32 thread quantity per inch passivate surface treated unjc thread series