3a thread class right-hand 0.281" thread length headless (setscrew) head style 48 thread quantity per inch hole 0.035 in. min 0.038 in. max drilled through 0.187 in. from thd end unf thread series
3a thread class right-hand 0.468" thread length headless (setscrew) head style 72 thread quantity per inch navy special project passivate surface treated unf thread series
3a thread class right-hand 0.593" thread length headless (setscrew) head style 72 thread quantity per inch navy special project passivate surface treated unf thread series
3a thread class right-hand 0.156" thread length headless (setscrew) head style 64 thread quantity per inch navy special project cadmium surface treated unf thread series
3a thread class right-hand 0.096" thread length headless (setscrew) head style 56 thread quantity per inch cadmium or zinc surface treated unc thread series
2a thread class right-hand 0.135" thread length headless (setscrew) head style 48 thread quantity per inch cadmium or zinc surface treated unf thread series