2a thread class right-hand 0.190" thread length 0.770" overall length 32 thread quantity per inch navy special project 0.080 in. max by 0.093 in. dia thread relief passivate surface treated ball unc thread series
2a thread class right-hand 0.625" thread length 2.250" overall length 14 thread quantity per inch color black paint surface treated ball uns thread series
2a thread class right-hand 0.810" thread length 2.120" overall length 20 thread quantity per inch hardness rating rockwell superficial 30-n, 73.0 min 76.6 max for ball, rockwell c 25.0 min 40.0 max for shank ball unf thread series
3a thread class right-hand 0.469" thread length 1.500" overall length 20 thread quantity per inch 30.0 deg chamfer from minor dia of thd at end of shank ball unf thread series
2a thread class right-hand 1.380" thread length 3.909" overall length 16 thread quantity per inch two wrenching flats 0.750 in. w located on side of neck zinc surface treated plain shank ball unf thread series
2a thread class right-hand 0.250" thread length 0.562" overall length 40 thread quantity per inch navy special project passivate surface treated ball unc thread series