3a thread class right-hand 0.312" thread length headless (setscrew) head style 20 thread quantity per inch cadmium or zinc surface treated unc thread series
3a thread class right-hand 0.312" thread length headless (setscrew) head style 40 thread quantity per inch 7 inch radius of oval point passivate surface treated uns thread series
2a thread class right-hand 0.406" thread length flat chamfer head style 20 thread quantity per inch navy special project passivate surface treated unc thread series
2a thread class right-hand 0.438" thread length headless (setscrew) head style 0.047" hole diameter 32 thread quantity per inch passivate surface treated unc thread series
3a thread class right-hand 0.250" thread length headless (setscrew) head style 32 thread quantity per inch 2 drilled holes in longitudinal axis 0.047 in. dia cadmium surface treated unf thread series
3a thread class right-hand 0.313" thread length headless (setscrew) head style 24 thread quantity per inch one 1/16 in. hole drilled through dia of shank 1/8 in. below top of head passivate surface treated unc thread series
2a thread class right-hand 0.250" thread length fillister head style 0.047" hole diameter 20 thread quantity per inch navy special project unc thread series
2a thread class right-hand 0.188" thread length headless (setscrew) head style 40 thread quantity per inch cadmium or zinc surface treated unf thread series
3a thread class right-hand 0.125" thread length headless (setscrew) head style 40 thread quantity per inch navy special project cadmium surface treated unc thread series
3a thread class right-hand 0.156" thread length headless (setscrew) head style 72 thread quantity per inch navy special project passivate surface treated unf thread series