| EFFECTIVE LENGTH | 0.600 INCHES NOMINAL |
| DIAMETER | 0.1850 INCHES MINIMUM AND 0.1860 INCHES MAXIMUM |
| FIRST END STYLE | SQUARE |
| HEAD STYLE | FLAT |
| HEIGHT | 0.062 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 COND F MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4130 OVERALL |
| PIN HEAD DIAMETER | 0.250 INCHES NOMINAL |
| SPECIAL FEATURES | CADMIUM PLATE HEAD GROOVE AND END |
| STYLE DESIGNATOR | GROOVE |
| SURFACE FINISH | 90.0 MICROINCHES OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-C-320 CL 2 FED SPEC SINGLE TREATMENT RESPONSE SHANK |
| SURFACE TREATMENT | CHROMIUM SHANK |
| UNDERCUT DIAMETER | 0.1735 INCHES MINIMUM AND 0.1765 INCHES MAXIMUM |
| UNDERCUT WIDTH | 0.019 INCHES MINIMUM AND 0.030 INCHES MAXIMUM |
| UNDER HEAD LENGTH | 0.675 INCHES MINIMUM AND 0.685 INCHES MAXIMUM |