| DIAMETER | 3.90 MILLIMETERS MINIMUM AND 4.00 MILLIMETERS MAXIMUM |
| EFFECTIVE LENGTH | 38.00 MILLIMETERS MINIMUM AND 39.00 MILLIMETERS MAXIMUM |
| FEATURES PROVIDED | CASEHARDENED |
| FIRST END STYLE | CHAMFERED |
| FIRST END TAPER ANGLE | 43.0 DEGREES MINIMUM AND 47.0 DEGREES MAXIMUM |
| FIRST END TAPER LENGTH | 0.2 MILLIMETERS MINIMUM AND 0.5 MILLIMETERS MAXIMUM |
| HEAD STYLE | FLAT CHAMFER |
| HEIGHT | 3.0 MILLIMETERS MINIMUM AND 4.0 MILLIMETERS MAXIMUM |
| PIN HEAD DIAMETER | 5.8 MILLIMETERS MINIMUM AND 6.0 MILLIMETERS MAXIMUM |
| STYLE DESIGNATOR | GROOVE |
| UNDER HEAD LENGTH | 41.50 MILLIMETERS MINIMUM AND 42.50 MILLIMETERS MAXIMUM |
| UNDERCUT DIAMETER | 2.95 MILLIMETERS MINIMUM AND 3.00 MILLIMETERS MAXIMUM |
| UNDERCUT WIDTH | 0.74 MILLIMETERS MINIMUM AND 0.82 MILLIMETERS MAXIMUM |