2a thread class right-hand 1.400" thread length hexagon head style 20 thread quantity per inch furnished with one steel external tooth lockwasher cadmium surface treated unc thread series
2a thread class right-hand 0.938" thread length hexagon head style 0.064" hole diameter 20 thread quantity per inch passivate surface treated unc thread series
2a thread class right-hand 0.500" thread length hexagon head style 0.062" hole diameter 20 thread quantity per inch passivate surface treated unc thread series