| DIAMETER | 0.124 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
| EFFECTIVE LENGTH | 0.785 INCHES MINIMUM AND 0.790 INCHES MAXIMUM |
| FIRST END STYLE | CHAMFERED |
| FIRST END TAPER ANGLE | 40.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM |
| FIRST END TAPER LENGTH | 0.010 INCHES MINIMUM AND 0.030 INCHES MAXIMUM |
| HEAD STYLE | FLAT CHAMFER |
| HEIGHT | 0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM |
| PIN HEAD DIAMETER | 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM |
| SECOND UNDERCUT DIAMETER | 0.115 INCHES MINIMUM AND 0.124 INCHES MAXIMUM |
| STYLE DESIGNATOR | GROOVE |
| UNDER HEAD LENGTH | 0.845 INCHES MINIMUM AND 0.865 INCHES MAXIMUM |
| UNDERCUT DIAMETER | 0.095 INCHES MINIMUM AND 0.097 INCHES MAXIMUM |
| UNDERCUT WIDTH | 0.017 INCHES MINIMUM AND 0.019 INCHES MAXIMUM |