3a thread class right-hand 1.865" thread length hexagon head style 0.062" hole diameter 2.625" grip length 10 thread quantity per inch unc thread series
3a thread class right-hand 0.810" thread length hexagon head style 0.062" hole diameter 24 thread quantity per inch 15.0 deg chamfer on washer face, 45.0 deg chamfer 0.031 in. min 0.063 in. max lg on thd end cadmium surface treated unf thread series
3a thread class right-hand 0.641" thread length hexagon head style 0.812" grip length 24 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.531" thread length hexagon head style 0.687" grip length 24 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.309" thread length flat chamfer head style 0.036" hole diameter 40 thread quantity per inch cadmium surface treated unf thread series