3a thread class right-hand 1.188" thread length hexagon head style 20 thread quantity per inch 0.062 in. thd relief cadmium surface treated unc thread series
2a thread class right-hand 0.479" thread length hexagon extended washer head style 20 thread quantity per inch cadmium or zinc surface treated unc thread series
2a thread class right-hand 1.125" thread length hexagon head style 0.063" hole diameter 14 thread quantity per inch zinc surface treated unc thread series
2a thread class right-hand 0.750" thread length hexagon head style 20 thread quantity per inch w/chamfered point 35 deg by 0.031 in. lg unc thread series
2a thread class right-hand 1.250" thread length hexagon head style 0.094" hole diameter 13 thread quantity per inch cadmium surface treated unc thread series
2a thread class right-hand 2.562" thread length hexagon head style 0.125" hole diameter 8 thread quantity per inch cadmium surface treated unc thread series