| DIAMETER | 0.3108 INCHES MINIMUM AND 0.3110 INCHES MAXIMUM |
| FIRST END COUNTERBORE DEPTH | 0.109 INCHES MINIMUM AND 0.119 INCHES MAXIMUM |
| FIRST END COUNTERBORE DIAMETER | 0.156 INCHES MINIMUM AND 0.161 INCHES MAXIMUM |
| FIRST END STYLE | COUNTERBORED W/O THRU HOLE |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD STYLE | DEE |
| HEIGHT | 0.062 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | TORQUE |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 630 OVERALL |
| PIN HEAD DIAMETER | 0.437 INCHES NOMINAL |
| STYLE DESIGNATOR | GROOVE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| UNDER HEAD LENGTH | 0.880 INCHES MINIMUM AND 0.885 INCHES MAXIMUM |
| UNDERCUT WIDTH | 0.062 INCHES NOMINAL |
| UNDERCUT DIAMETER | 0.235 INCHES NOMINAL |