3a thread class right-hand 1.146" thread length double hexagon w/hole head style 0.062" hole diameter 1.720" grip length 20 thread quantity per inch navy special project cadmium surface treated unf thread series
3a thread class right-hand 0.425" thread length dished hexagon head style 0.188" grip length 28 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.500" thread length hexagon head style 0.047" hole diameter 32 thread quantity per inch silver surface treated unf thread series
2a thread class right-hand 3.450" thread length hexagon head style 20 thread quantity per inch furnished w/1 hex nut w/one cross-drilled hole 0.093 in. dia unc thread series