| CHAMFER ANGLE | 15.0 DEGREES MINIMUM AND 30.0 DEGREES MAXIMUM |
| EXTERNAL THREAD TOLERANCE CLASS | 6G |
| FASTENER LENGTH | 44.5 MILLIMETERS MINIMUM AND 45.5 MILLIMETERS MAXIMUM |
| HEAD HEIGHT | 11.285 MILLIMETERS MINIMUM AND 11.715 MILLIMETERS MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL | STEEL PROPERTY CLASS 8.8 OVERALL |
| NOMINAL THREAD DIAMETER | 18.0 MILLIMETERS |
| SURFACE TREATMENT | ZINC OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 44.5 MILLIMETERS MINIMUM AND 45.5 MILLIMETERS MAXIMUM |
| THREAD PITCH IN MILLIMETERS | 2.5 |
| THREAD SERIES DESIGNATOR | M |
| WIDTH BETWEEN FLATS | 30.14 MILLIMETERS MINIMUM |