| EFFECTIVE LENGTH | 0.580 INCHES MINIMUM AND 0.587 INCHES MAXIMUM |
| DIAMETER | 0.1872 INCHES MINIMUM AND 0.1877 INCHES MAXIMUM |
| FIRST END STYLE | SQUARE |
| HARDNESS RATING | 55.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD STYLE | FLAT |
| HEIGHT | 0.037 INCHES MINIMUM AND 0.057 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| PIN HEAD DIAMETER | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| STYLE DESIGNATOR | GROOVE |
| SURFACE FINISH | 32.0 MICROINCHES OUTSIDE DIAMETER |
| UNDER HEAD LENGTH | 0.636 INCHES MINIMUM AND 0.646 INCHES MAXIMUM |
| UNDERCUT WIDTH | 0.018 INCHES MINIMUM AND 0.020 INCHES MAXIMUM |
| UNDERCUT DIAMETER | 0.1635 INCHES MINIMUM AND 0.1665 INCHES MAXIMUM |