| THREAD SERIES DESIGNATOR | M |
| NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS |
| THREAD PITCH IN MILLIMETERS | 1.25 |
| EXTERNAL THREAD TOLERANCE CLASS | 6G |
| THREAD DIRECTION | RIGHT-HAND |
| FASTENER LENGTH | 73.3 MILLIMETERS MINIMUM AND |
| 74.5 MILLIMETERS MAXIMUM |
| MATERIAL | STEEL OVERALL |
| HEAD STYLE | HEXAGON EXTENDED WASHER |
| HEAD HEIGHT | 9.3 MILLIMETERS MINIMUM |
| WIDTH BETWEEN FLATS | 12.73 MILLIMETERS MINIMUM AND |
| 13.00 MILLIMETERS MAXIMUM |
| EXTENDED WASHER DIAMETER | 20.8 MILLIMETERS MINIMUM |
| EXTENDED WASHER THICKNESS | 3.6 MILLIMETERS NOMINAL |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| SHOULDER DIAMETER | 11.73 MILLIMETERS MINIMUM AND |
| 12.00 MILLIMETERS MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 43.5 MILLIMETERS NOMINAL FIRST SHOULDER |
| SPECIAL FEATURES | DISH HEAD 2.5 MM NOM DEEP |