| DIAMETER | 0.1570 INCHES MINIMUM AND 0.1573 INCHES MAXIMUM |
| EFFECTIVE LENGTH | 0.722 INCHES NOMINAL |
| FIRST END STYLE | CHAMFERED |
| FIRST END TAPER ANGLE | 45.0 DEGREES NOMINAL |
| FIRST END TAPER LENGTH | 0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM |
| HEAD STYLE | FLAT CHAMFER |
| HEIGHT | 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
| PIN HEAD DIAMETER | 0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM |
| SECOND UNDERCUT DIAMETER | 0.012 INCHES MINIMUM AND 0.014 INCHES MAXIMUM |
| SECOND UNDERCUT WIDTH | 0.144 INCHES MINIMUM AND 0.147 INCHES MAXIMUM |
| STYLE DESIGNATOR | GROOVE |
| UNDER HEAD LENGTH | 0.790 INCHES MINIMUM |
| UNDERCUT DIAMETER | 0.144 INCHES MINIMUM AND 0.147 INCHES MAXIMUM |
| UNDERCUT WIDTH | 0.012 INCHES MINIMUM AND 0.014 INCHES MAXIMUM |