2a thread class right-hand 1.750" thread length hexagon head style 10 thread quantity per inch navy special project non-dupe of 5305009474355 zinc surface treated unc thread series
2a thread class right-hand 0.500" thread length dee chamfer head style 24 thread quantity per inch navy special project passivate surface treated unf thread series
2a thread class right-hand 0.320" thread length double chamfer head style 40 thread quantity per inch navy special project anodize surface treated unc thread series