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 1.000" thread length hexagon head style 13 thread quantity per inch thd end chamfered 0.125" long by 45.0 degrees unc thread series
2a thread class right-hand 0.126" thread length headless (setscrew) head style 32 thread quantity per inch point blunted cadmium surface treated unc thread series
3a thread class right-hand 0.812" thread length hexagon head style 14 thread quantity per inch 0.406 in. dia by 0.094 in. lg relief under bearing surface unc thread series