| EFFECTIVE LENGTH | 0.257 INCHES MINIMUM AND 0.265 INCHES MAXIMUM |
| DIAMETER | 0.1872 INCHES MINIMUM AND 0.1877 INCHES MAXIMUM |
| FIRST END STYLE | CHAMFERED |
| FIRST END TAPER ANGLE | 45.0 DEGREES NOMINAL |
| FIRST END TAPER LENGTH | 0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM |
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD STYLE | FLAT |
| HEIGHT | 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 410 OVERALL |
| PIN HEAD DIAMETER | 0.260 INCHES MINIMUM AND 0.280 INCHES MAXIMUM |
| UNDERCUT DIAMETER | 0.147 INCHES MINIMUM AND 0.149 INCHES MAXIMUM |
| UNDER HEAD LENGTH | 0.340 INCHES MINIMUM AND 0.350 INCHES MAXIMUM |
| UNDERCUT WIDTH | 0.028 INCHES MINIMUM AND 0.031 INCHES MAXIMUM |
| STYLE DESIGNATOR | GROOVE |
| SURFACE FINISH | 32.0 MICROINCHES LONG SHANK |
| SURFACE TREATMENT | PASSIVATE OVERALL |