2a thread class right-hand 0.656" thread length hexagon head style 16 thread quantity per inch furnished with split lockwasher cadmium surface treated unc thread series
3a thread class right-hand 0.470" thread length hexagon head style 0.062" hole diameter 28 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 1.250" thread length hexagon head style 0.092" hole diameter 20 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 1.250" thread length hexagon head style 0.094" hole diameter 13 thread quantity per inch passivate surface treated unc thread series