3a thread class right-hand 0.277" thread length fillister head style 28 thread quantity per inch one drilled hole in head cadmium surface treated unf thread series
2a thread class right-hand 0.420" thread length hexagon head style 0.046" hole diameter 28 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.075" thread length headless (setscrew) head style 40 thread quantity per inch cup point 0.125 in. diameter phosphate surface treated uns thread series
2a thread class right-hand 1.109" thread length headless (setscrew) head style 32 thread quantity per inch phosphate or cadmium surface treated unc thread series
2a thread class right-hand 0.531" thread length fillister head style 0.046" hole diameter 32 thread quantity per inch cadmium surface treated unf thread series