3a thread class right-hand 0.375" thread length flat chamfer head style 16 thread quantity per inch thd relief 1/16 in. w 5/16 in. dia. unc thread series
3a thread class right-hand 0.282" thread length hexagon head style 0.078" hole diameter 24 thread quantity per inch dry film lubricant unf thread series
2a thread class right-hand 0.250" thread length hexagon head style 32 thread quantity per inch third shoulder dia 0.200 in. lg 4.440 in. cadmium surface treated unf thread series
3a thread class right-hand 0.560" thread length hexagon head style 0.062" hole diameter 20 thread quantity per inch navy special project unf thread series
2a thread class right-hand 0.440" thread length hexagon head style 16 thread quantity per inch 30 degree chamfer both sides bolt head, 0.060 in. by 90 deg chamfer thread end, 0.020 in. radius at inside corner of head cadmium surface treated unc thread series
2a thread class right-hand 0.578" thread length square head style 20 thread quantity per inch w/groove between shoulder cadmium surface treated unf thread series
3a thread class right-hand 1.320" thread length hexagon extended washer head style 16 thread quantity per inch navy special project cadmium surface treated unjf thread series
3a thread class right-hand 0.973" thread length hexagon head style 0.070" hole diameter 28 thread quantity per inch navy special project unjf thread series
3a thread class right-hand 0.500" thread length hexagon head style 18 thread quantity per inch navy special project cadmium or chromium surface treated unf thread series
3a thread class right-hand 0.366" thread length hexagon head style 24 thread quantity per inch 0.250 in. spherical radius of shoulderat point of intersection w/circumferential groove cadmium threads surface treated unf thread series