Used on rast system. 3a thread class right-hand 0.302" thread length headless (setscrew) head style 28 thread quantity per inch passivate surface treated unjc thread series
3a thread class right-hand flush countersunk head style 0.615" grip length 24 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand 1.002" thread length flat chamfer head style 0.061" hole diameter 24 thread quantity per inch cadmium surface treated unrf thread series
3a thread class right-hand 0.750" thread length flat chamfer head style 0.044" hole diameter 24 thread quantity per inch navy special project cadmium surface treated unf thread series
2a thread class right-hand 2.000" thread length hexagon head style 9 thread quantity per inch screw, cap, hexagon head zinc surface treated unc thread series
3a thread class right-hand 0.345" thread length dished hexagon head style 0.928" grip length 28 thread quantity per inch chromium surface treated unjf thread series