3a thread class right-hand 0.518" thread length dished hexagon head style 1.365" grip length 18 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.490" thread length double hexagon head style 1.490" grip length 20 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.515" thread length dee chamfer head style 24 thread quantity per inch undercut 0.210 in. w by 0.075 in. lg, 0.080 in. from end uns thread series
3a thread class right-hand 0.253" thread length double hexagon extended washer head style 32 thread quantity per inch three additional shoulders unjf thread series
2a thread class right-hand 0.250" thread length hexagon head style 40 thread quantity per inch navy special project passivate surface treated unc thread series
2a thread class right-hand 0.219" thread length pan head style 32 thread quantity per inch navy special project anodize surface treated unc thread series
3a thread class right-hand 0.500" thread length flat chamfer head style 32 thread quantity per inch passivate fastener surface treated unf thread series