3a thread class right-hand 0.170" thread length double chamfer head style 20 thread quantity per inch lettered (s) on head cadmium head surface treated unf thread series
2a thread class right-hand 0.188" thread length binding head style 32 thread quantity per inch red gloss enamel enamel head surface treated unc thread series
3a thread class right-hand 1.250" thread length hexagon head style 2.188" grip length 16 thread quantity per inch undercut 1/8 in. radius, 0.658 in. to 0.688 in. dia between thd unf thread series
2a thread class right-hand 0.625" thread length square head style 0.064" hole diameter 20 thread quantity per inch cadmium surface treated unc thread series
3a thread class right-hand 0.625" thread length hexagon head style 0.172" grip length 20 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.625" thread length hexagon head style 2.047" grip length 20 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.500" thread length flat chamfer head style 0.046" hole diameter 32 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 2.030" thread length 3.030" overall length 16 thread quantity per inch internal hole 0.375 in. dia by 1630 in. deep drilled from t hread end cadmium surface treated round, closed uns thread series
