3a thread class right-hand 0.500" thread length hexagon head style 0.062" hole diameter 24 thread quantity per inch phosphate surface treated unf thread series
2a thread class right-hand 0.500" thread length hexagon head style 24 thread quantity per inch navy special project cadmium surface treated unf thread series
3a thread class right-hand 0.438" thread length hexagon head style 24 thread quantity per inch navy special project cadmium surface treated unf thread series
3a thread class right-hand 0.355" thread length hexagon head style 0.062" hole diameter 20 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.360" thread length hexagon head style 0.062" hole diameter 20 thread quantity per inch nickel surface treated unf thread series
3a thread class right-hand 0.624" thread length double hexagon extended washer head style 0.047" hole diameter 32 thread quantity per inch unc thread series