| DIAMETER | 0.300 INCHES MINIMUM AND 0.305 INCHES MAXIMUM |
| EFFECTIVE LENGTH | 1.047 INCHES MINIMUM AND 1.078 INCHES MAXIMUM |
| FIRST END STYLE | CHAMFERED |
| FIRST END TAPER ANGLE | 45.0 DEGREES NOMINAL |
| FIRST END TAPER LENGTH | 0.016 INCHES MINIMUM AND 0.047 INCHES MAXIMUM |
| HEAD STYLE | FLAT |
| HEIGHT | 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM |
| PIN HEAD DIAMETER | 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM |
| STYLE DESIGNATOR | GROOVE |
| UNDER HEAD LENGTH | 1.141 INCHES MINIMUM AND 1.172 INCHES MAXIMUM |
| UNDERCUT DIAMETER | 0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM |
| UNDERCUT WIDTH | 0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM |