| DIAMETER | 0.375 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| FIRST END SLOT DEPTH | 0.156 INCHES MINIMUM AND 0.166 INCHES MAXIMUM |
| FIRST END SLOT WIDTH | 0.218 INCHES MINIMUM AND 0.223 INCHES MAXIMUM |
| FIRST END STYLE | SQUARE |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD STYLE | FLAT |
| 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 FINISH | 32.0 MICROINCHES OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE OR QQ-P-35 TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OR QQ-P-35 TYPE 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| UNDERCUT DIAMETER | 0.312 INCHES NOMINAL |
| UNDERCUT WIDTH | 0.031 INCHES NOMINAL |
| UNDER HEAD LENGTH | 1.573 INCHES MINIMUM AND 1.583 INCHES MAXIMUM |