| DIAMETER | 3.000 INCHES MAXIMUM AND 2.997 INCHES MINIMUM |
| EFFECTIVE LENGTH | 8.190 INCHES MAXIMUM AND 8.170 INCHES MINIMUM |
| GRIP LENGTH | 8.310 INCHES NOMINAL |
| HEAD STYLE | FLAT |
| HEIGHT | 0.120 INCHES MINIMUM AND 0.120 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | BSI BS970 PART 3 GRADE 826-40 CONDITION Y NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| PIN HEAD DIAMETER | 3.240 INCHES MINIMUM AND 3.260 INCHES MAXIMUM |
| SPECIAL FEATURES | W/3 HOLES,0.1875 IN. DIA;DRILLED THROUGH GROOVE AT 60 DEG TO EACH OTHER |
| STYLE DESIGNATOR | GROOVE |
| SURFACE FINISH | 63.0 MICROINCHES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BSI BS4921 CLASS 1 NATIONAL STD/SPEC ALL TREATMENT RESPONSES OVERALL |
| SURFACE TREATMENT | ZINC AND PASSIVATE OVERALL |
| UNDERCUT DIAMETER | 2.510 INCHES MAXIMUM AND 2.490 INCHES MINIMUM |
| UNDERCUT RADIUS | 0.060 INCHES NOMINAL |
| UNDER HEAD LENGTH | 9.500 INCHES NOMINAL |