| EFFECTIVE LENGTH | 0.947 INCHES MINIMUM AND 0.953 INCHES MAXIMUM |
| DIAMETER | 0.2495 INCHES MINIMUM AND 0.2505 INCHES MAXIMUM |
| FIRST END STYLE | SQUARE |
| HARDNESS RATING | 48.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD STYLE | FLAT |
| HEIGHT | 0.018 INCHES MINIMUM AND 0.022 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| PIN HEAD DIAMETER | 0.326 INCHES MINIMUM AND 0.334 INCHES MAXIMUM |
| STYLE DESIGNATOR | GROOVE |
| SURFACE FINISH | 16.0 MICROINCHES LONG SHANK |
| UNDERCUT DIAMETER | 0.232 INCHES MINIMUM AND 0.236 INCHES MAXIMUM |
| UNDER HEAD LENGTH | 1.009 INCHES MINIMUM AND 1.025 INCHES MAXIMUM |
| UNDERCUT WIDTH | 0.035 INCHES MINIMUM AND 0.039 INCHES MAXIMUM |