| EXTERNAL THREAD TOLERANCE CLASS | 6G |
| FASTENER LENGTH | 44.50 MILLIMETERS MINIMUM AND 45.50 MILLIMETERS MAXIMUM |
| GRIP LENGTH | 23.00 MILLIMETERS NOMINAL |
| HARDNESS RATING | 225.0 BRINELL STANDARD MINIMUM AND 300.0 BRINELL STANDARD MAXIMUM OVERALL |
| HEAD HEIGHT | 5.35 MILLIMETERS MINIMUM AND 5.65 MILLIMETERS MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL | STEEL OVERALL |
| MINIMUM TENSILE STRENGTH | 785 NEWTONS PER SQUARE MILLIMETER |
| NOMINAL THREAD DIAMETER | 8.00 MILLIMETERS |
| SPECIAL FEATURES | STRENGTH GRADE 8.8 |
| WIDTH BETWEEN FLATS | 12.73 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BS 3189 CLASS A1 NATIONAL STD ALL TREATMENT RESPONSES OVERALL |
| SURFACE TREATMENT | PHOSPHATE AND CHROMATE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 22.00 MILLIMETERS MINIMUM AND 24.50 MILLIMETERS MAXIMUM |
| THREAD SERIES DESIGNATOR | ISO M |
| THREAD PITCH IN MILLIMETERS | 1.25 |