3a thread class right-hand 1.500" thread length headless (setscrew) head style 24 thread quantity per inch two drilled holes 0.060 in. distance from drive end unf thread series
3a thread class right-hand 0.188" thread length headless (setscrew) head style 40 thread quantity per inch top surface of screw head to be marked with red ink MILI16557, type 1 passivate surface treated unc thread series
3a thread class right-hand 0.280" thread length headless (setscrew) head style 24 thread quantity per inch navy special project anodize surface treated unc thread series
3a thread class right-hand 0.580" thread length hexagon head style 0.070" hole diameter 24 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 0.120" thread length headless (setscrew) head style 40 thread quantity per inch passivate fastener surface treated unc thread series