3a thread class right-hand 0.250" thread length headless (setscrew) head style 32 thread quantity per inch (navy) setscrew, self-locking passivate surface treated unc thread series
2a thread class right-hand 0.562" thread length hexagon head style 24 thread quantity per inch chamfer on shoulder 1/64 in. by 45.0 deg unf thread series
2a thread class right-hand 0.615" thread length hexagon head style 24 thread quantity per inch 0.359 in. dia by 0.062 in. lg head relief unf thread series