| DIAMETER | 2.494 INCHES MINIMUM AND 2.497 INCHES MAXIMUM |
| EFFECTIVE LENGTH | 12.620 INCHES MINIMUM AND 12.640 INCHES MAXIMUM |
| FIRST END TAPER ANGLE | 15.0 DEGREES NOMINAL |
| FIRST END TAPER LENGTH | 0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| FIRST END STYLE | CHAMFERED |
| GRIP LENGTH | 12.674 INCHES NOMINAL |
| HEAD STYLE | FLAT |
| HEIGHT | 0.250 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | BS 970 PART 3 GRADE 826-40 CONDITION Y NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| PIN HEAD DIAMETER | 2.719 INCHES MINIMUM AND 2.781 INCHES MAXIMUM |
| STYLE DESIGNATOR | GROOVE |
| SURFACE FINISH | 63.0 MICROINCHES OUTSIDE DIAMETER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BS4921 CLASS 1 NATIONAL STD/SPEC 1ST TREATMENT RESPONSE AND BS 4921 CLASS 1 NATIONAL STD/SPEC 2ND TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC AND PASSIVATE OVERALL |
| UNDERCUT DIAMETER | 2.350 INCHES MINIMUM AND 2.362 INCHES MAXIMUM |
| UNDER HEAD LENGTH | 12.940 INCHES MINIMUM AND 12.960 INCHES MAXIMUM |