| DIAMETER | 0.6225 INCHES MINIMUM AND 0.6235 INCHES MAXIMUM |
| EFFECTIVE LENGTH | 0.256 INCHES MINIMUM AND 0.264 INCHES MAXIMUM |
| FIRST END STYLE | CHAMFERED |
| FIRST END TAPER ANGLE | 45.0 DEGREES NOMINAL |
| FIRST END TAPER LENGTH | 0.031 INCHES MINIMUM AND 0.047 INCHES MAXIMUM |
| HEAD STYLE | FLAT CHAMFER |
| HEIGHT | 0.078 INCHES MINIMUM AND 0.094 INCHES MAXIMUM |
| PIN HEAD DIAMETER | 0.734 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| SECOND UNDERCUT DIAMETER | 0.580 INCHES MINIMUM AND 0.586 INCHES MAXIMUM |
| SECOND UNDERCUT WIDTH | 0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM |
| STYLE DESIGNATOR | GROOVE |
| UNDER HEAD LENGTH | 3.015 INCHES MINIMUM AND 3.047 INCHES MAXIMUM |
| UNDERCUT DIAMETER | 0.580 INCHES MINIMUM AND 0.586 INCHES MAXIMUM |
| UNDERCUT WIDTH | 0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM |