| FIRST END TAPER ANGLE | 5.0 DEGREES GROUP 1 |
| FIRST END TAPER LENGTH | 9.85 MILLIMETERS MINIMUM AND 10.15 MILLIMETERS MAXIMUM |
| FIRST END STYLE | CHAMFERED |
| FIRST STEP DIAMETER | 29.85 MILLIMETERS MINIMUM AND 30.15 MILLIMETERS MAXIMUM |
| FIRST STEP LENGTH | 25.00 MILLIMETERS NOMINAL |
| HEAD STYLE | FILLISTER |
| HEIGHT | 2.85 MILLIMETERS MINIMUM AND 3.15 MILLIMETERS MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | BS 970 PART 1 GRADE 605-36 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| SECOND STEP DIAMETER | 49.85 MILLIMETERS MINIMUM AND 50.15 MILLIMETERS MAXIMUM |
| SECOND STEP LENGTH | 9.85 MILLIMETERS MINIMUM AND 10.15 MILLIMETERS MAXIMUM |
| SPECIAL FEATURES | HEAD, FIRST AND SECOND STEP PAINTED |
| STYLE DESIGNATOR | SHOULDER |
| SURFACE FINISH | 3.2 MICRONS OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DEF-STAN 03-20 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| THIRD STEP DIAMETER | 29.80 MILLIMETERS MINIMUM AND 29.90 MILLIMETERS MAXIMUM |
| THIRD STEP LENGTH | 134.85 MILLIMETERS MINIMUM AND 135.15 MILLIMETERS MAXIMUM |
| UNDER HEAD LENGTH | 170.00 MILLIMETERS NOMINAL |