| DIAMETER | 0.246 INCHES MINIMUM AND 0.248 INCHES MAXIMUM |
| EFFECTIVE LENGTH | 0.650 INCHES MINIMUM AND 0.660 INCHES MAXIMUM |
| FIRST END STYLE | SQUARE |
| HEAD STYLE | FLAT |
| HEIGHT | 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM |
| PIN HEAD DIAMETER | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| STYLE DESIGNATOR | GROOVE |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| UNDER HEAD LENGTH | 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM |
| UNDERCUT WIDTH | 0.029 INCHES MINIMUM AND 0.032 INCHES MAXIMUM |
| UNDERCUT DIAMETER | 0.2285 INCHES MINIMUM AND 0.2315 INCHES MAXIMUM |