3a thread class right-hand 1.000" thread length headless (setscrew) head style 20 thread quantity per inch navy special project passivate surface treated unf thread series
2a thread class right-hand 1.000" thread length hexagon head style 0.250" grip length 24 thread quantity per inch passivate surface treated unf thread series
2a thread class right-hand 1.000" thread length hexagon head style 0.500" grip length 24 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.562" thread length hexagon head style 13 thread quantity per inch navy special project cadmium surface treated unc thread series
3a thread class right-hand 1.000" thread length hexagon head style 16 thread quantity per inch navy special project cadmium surface treated unc thread series
2a thread class right-hand 0.500" thread length hexagon head style 0.062" hole diameter 20 thread quantity per inch passivate surface treated unc thread series
2a thread class right-hand 0.875" thread length hexagon head style 0.375" grip length 24 thread quantity per inch zinc surface treated unf thread series
2a thread class right-hand 0.500" thread length hexagon head style 0.062" hole diameter 18 thread quantity per inch passivate surface treated unc thread series
2a thread class right-hand 0.375" thread length square extended washer head style 20 thread quantity per inch unthreaded portion of shank 0.243 to 0.250 in. dia zinc surface treated unc thread series
Used on b-1 support equipment;aircraft;tf-33 engine;phoenix missile;harpoon. 3a thread class right-hand 0.406" thread length hexagon head style 0.250" grip length 32 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 0.500" thread length square extended washer head style 20 thread quantity per inch top edge of washer rounded on 0.031 in. radius unc thread series
2a thread class right-hand 0.563" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 1.000" thread length hexagon head style 0.062" hole diameter 16 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 1.125" thread length hexagon head style 16 thread quantity per inch six 90.0 deg notches cut in corners of hex to indicate heat treated alloy unf thread series
right-hand 0.750" thread length dee head style 20 thread quantity per inch shank undercut 0.062 in. w by 0.497 in. min 0.498 in. max dia at head end unf thread series
2a thread class right-hand 0.673" thread length oval countersunk head style 32 thread quantity per inch chromium screw surface treated unf thread series
2a thread class right-hand 0.548" thread length oval countersunk head style 32 thread quantity per inch chromium screw surface treated unf thread series
