3a thread class right-hand 0.083" thread length headless (setscrew) head style 72 thread quantity per inch color black oxide surface treated unf thread series
3a thread class right-hand 0.240" thread length headless (setscrew) head style 32 thread quantity per inch navy special project color black oxide surface treated unc thread series
2a thread class right-hand 1.839" thread length headless (setscrew) head style 32 thread quantity per inch one side flatted 0.264 in. min phosphate zinc surface treated unef thread series
3a thread class right-hand 0.115" thread length headless (setscrew) head style 32 thread quantity per inch navy special project color black oxide surface treated unc thread series
3a thread class right-hand 0.490" thread length headless (setscrew) head style 32 thread quantity per inch passivate surface treated unjf thread series