| FIRST END TAPER ANGLE | 15.0 DEGREES NOMINAL |
| 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,CONDITION T NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| PIN HEAD DIAMETER | 39.85 MILLIMETERS MINIMUM AND 40.15 MILLIMETERS MAXIMUM |
| SECOND STEP DIAMETER | 49.85 MILLIMETERS MINIMUM AND 50.15 MILLIMETERS MAXIMUM |
| SECOND STEP LENGTH | 9.85 MILLIMETERS MINIMUM AND 10.15 MILLIMETERS MAXIMUM |
| STYLE DESIGNATOR | SHOULDER |
| SURFACE FINISH | 3.2 MICROMETERS OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DEF STAN 03-20 NATIONAL STD/SPEC 1ST TREATMENT RESPONSE AND DEF STAN 03-20 NATIONAL STD/SPEC 2ND TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC AND CHROMATE AND PAINT OVERALL |
| THIRD STEP DIAMETER | 29.80 MILLIMETERS MINIMUM AND 29.90 MILLIMETERS MAXIMUM |
| THIRD STEP LENGTH | 194.60 MILLIMETERS MINIMUM AND 195.40 MILLIMETERS MAXIMUM |
| UNDER HEAD LENGTH | 230.00 MILLIMETERS NOMINAL |