| DIAMETER | 4.972 MILLIMETERS MINIMUM AND 4.990 MILLIMETERS MAXIMUM |
| CRITICALITY CODE JUSTIFICATION | ASDB AND ABMZ |
| FEATURES PROVIDED | CASEHARDENED |
| HARDNESS RATING | 90.0 ROCKWELL SUPERFICIAL 15-N NOMINAL OVERALL |
| HEAD STYLE | ROUND W/WRENCH FLATS |
| HEIGHT | 5.0 MILLIMETERS MINIMUM AND 5.2 MILLIMETERS MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | BS 970 PART 1 GRADE 045-10 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| PIN HEAD DIAMETER | 0.375 INCHES NOMINAL |
| SPECIAL FEATURES | CENTRE DRILLED BOTH ENDS |
| WIDTH ACROSS FLATS | 4.972 MILLIMETERS MINIMUM AND 4.990 MILLIMETERS MAXIMUM |
| STYLE DESIGNATOR | GROOVE |
| UNDERCUT DIAMETER | 4.4 MILLIMETERS MINIMUM AND 4.6 MILLIMETERS MAXIMUM |
| UNDER HEAD LENGTH | 14.8 MILLIMETERS MINIMUM AND JLC15.0 MILLIMETERS MAXIMUM |
| UNDERCUT WIDTH | 3.0 MILLIMETERS NOMINAL |