| EXTERNAL THREAD TOLERANCE CLASS | 6G |
| FASTENER LENGTH | 89.30 MILLIMETERS MINIMUM AND 90.70 MILLIMETERS MAXIMUM |
| FEATURES PROVIDED | FINISHED HEAD |
| GRIP LENGTH | 52.00 MILLIMETERS NOMINAL |
| HARDNESS RATING | 225.0 BRINELL STANDARD MINIMUM AND 300.0 BRINELL STANDARD MAXIMUM |
| HEAD HEIGHT | 9.82 MILLIMETERS MINIMUM AND 10.18 MILLIMETERS MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL | STEEL OVERALL |
| MINIMUM TENSILE STRENGTH | 785 NEWTONS PER SQUARE MILLIMETER |
| NOMINAL THREAD DIAMETER | 16.000 MILLIMETERS |
| SPECIAL FEATURES | STRENGTH GRADE 8.8 |
| WIDTH BETWEEN FLATS | 23.67 MILLIMETERS MINIMUM AND 24.00 MILLIMETERS MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BS 3189 CLASS A1 NATIONAL STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE AND CHROMATE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 38.00 MILLIMETERS MINIMUM AND 42.00 MILLIMETERS MAXIMUM |
| THREAD SERIES DESIGNATOR | ISO M |
| THREAD PITCH IN MILLIMETERS | 2.00 |