2a thread class right-hand 0.659" thread length hexagon head style 32 thread quantity per inch navy special project keyway located in threaded end passivate surface treated un thread series
2a thread class right-hand 0.312" thread length headless (setscrew) head style 28 thread quantity per inch 3/4 in. radius on slotted end phosphate surface treated uns thread series
2a thread class right-hand 0.282" thread length fillister head style 20 thread quantity per inch thd relieved phosphate surface treated unc thread series
2a thread class right-hand 1.250" thread length fillister extended washer head style 40 thread quantity per inch cadmium screw surface treated unc thread series
2a thread class right-hand 0.600" thread length knurled no. 1 head style 18 thread quantity per inch chromium threads surface treated unc thread series