3a thread class right-hand 0.190" thread length flat chamfer head style 0.036" hole diameter 40 thread quantity per inch navy special project tin surface treated unc thread series
2a thread class right-hand 0.160" thread length flat chamfer head style 32 thread quantity per inch navy special project passivate surface treated unc thread series
3a thread class right-hand 0.156" thread length flat chamfer head style 40 thread quantity per inch color black oxide surface treated unc thread series
3a thread class right-hand 0.372" thread length flat countersunk head style 28 thread quantity per inch internal hex on threaded end 0.0947 in. to 0.0967 in. wide passivate surface treated unjf thread series
3a thread class right-hand 0.270" thread length pan head style 32 thread quantity per inch navy special project cadmium surface treated unjc thread series
2a thread class right-hand 0.610" thread length hexagon head style 32 thread quantity per inch groove 0.029 min. passivate surface treated unc thread series
2a thread class right-hand 0.375" thread length flat chamfer head style 24 thread quantity per inch color black oxide surface treated unc thread series