| FIRST END STYLE | CHAMFEREDCHAMFERED |
| HEAD STYLE | KNURLED NO. 5KNURLED NO. 5 |
| HEIGHT | 13.5 MILLIMETERS NOMINAL13.5 MILLIMETERS NOMINAL |
| PIN HEAD DIAMETER | 19.0 MILLIMETERS NOMINAL19.0 MILLIMETERS NOMINAL |
| SECOND UNDERCUT DIAMETER | 6.7 MILLIMETERS NOMINAL6.7 MILLIMETERS NOMINAL |
| SECOND UNDERCUT RADIUS | 0.5 MILLIMETERS NOMINAL0.5 MILLIMETERS NOMINAL |
| STYLE DESIGNATOR | GROOVEGROOVE |
| UNDERCUT DIAMETER | 6.4 MILLIMETERS NOMINAL6.4 MILLIMETERS NOMINAL |
| UNDERCUT RADIUS | 0.5 MILLIMETERS NOMINAL0.5 MILLIMETERS NOMINAL |
| UNDER HEAD LENGTH | 51.5 MILLIMETERS NOMINAL51.5 MILLIMETERS NOMINAL |