| CRITICALITY CODE JUSTIFICATION | ABPR AND ABPT |
| FIRST END TAPER ANGLE | 45.0 DEGREES NOMINAL |
| FIRST END TAPER LENGTH | 4.25 MILLIMETERS MINIMUM AND 5.75 MILLIMETERS MAXIMUM |
| FIRST END STYLE | CHAMFERED |
| FIRST STEP DIAMETER | 37.950 MILLIMETERS MINIMUM AND 37.975 MILLIMETERS MAXIMUM |
| FIRST STEP LENGTH | 38.75 MILLIMETERS MINIMUM AND 39.25 MILLIMETERS MAXIMUM |
| HEAD STYLE | FLAT CHAMFER |
| HEIGHT | 7.75 MILLIMETERS MINIMUM AND 8.25 MILLIMETERS MAXIMUM |
| MATERIAL | STEEL |
| PIN HEAD DIAMETER | 51.75 MILLIMETERS MINIMUM AND 52.25 MILLIMETERS MAXIMUM |
| SPECIAL FEATURES | 8.00/8.15 MM DIA HOLE IN SHANK,30.50 MM FROM HOLE CENTRE TO SHANK END |
| SECOND STEP DIAMETER | 31.950 MILLIMETERS MINIMUM AND 31.975 MILLIMETERS MAXIMUM |
| SECOND STEP LENGTH | 109.50 MILLIMETERS NOMINAL |
| STYLE DESIGNATOR | SHOULDER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BSI BS4921 CLASS 1 (SHERADISED) NATIONAL STD/SPEC 2ND TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE AND ZINC OVERALL |
| UNDER HEAD LENGTH | 148.50 MILLIMETERS NOMINAL |