2a thread class right-hand 0.900" thread length hexagon head style 20 thread quantity per inch blue coated dichromate zinc surface treated unc thread series
2a thread class right-hand 1.000" thread length hexagon head style 0.062" hole diameter 24 thread quantity per inch zinc surface treated unf thread series
2a thread class right-hand 2.000" thread length hexagon head style 0.123" hole diameter 14 thread quantity per inch zinc surface treated unf thread series