3a thread class right-hand 0.720" thread length hexagon head style 13 thread quantity per inch 0.125 dis hole in top of head, 2.000 in. deep, counterbore 3/4 x 1/4 deep, tap unc thread series
2a thread class right-hand 0.500" thread length dee chamfer head style 24 thread quantity per inch navy special project passivate surface treated unf thread series
2a thread class right-hand 0.500" thread length dee chamfer head style 24 thread quantity per inch navy special project passivate surface treated unf thread series
2a thread class right-hand 1.000" thread length pan head style 0.180" hole diameter 24 thread quantity per inch passivate surface treated uns thread series
3a thread class right-hand 0.338" thread length dished hexagon head style 32 thread quantity per inch 32 micro inch finish on bearing surface of head, head to shank fillet, grip, chromium grip surface treated unjf thread series