| THREAD SERIES DESIGNATOR | M |
| NOMINAL THREAD DIAMETER | 12.0 MILLIMETERS |
| THREAD PITCH IN MILLIMETERS | 1.75 |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 40.0 MILLIMETERS NOMINAL |
| FASTENER LENGTH | 40.0 MILLIMETERS NOMINAL |
| MATERIAL | STEEL PROPERTY CLASS 12.9 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A574M AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | OXIDE OVERALL |
| HEAD STYLE | FLAT CHAMFER |
| HEAD DIAMETER | 17.73 MILLIMETERS MINIMUM AND |
| 18.00 MILLIMETERS MAXIMUM |
| HEAD HEIGHT | 11.79 MILLIMETERS MINIMUM AND |
| 12.00 MILLIMETERS MAXIMUM |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 12.032 MILLIMETERS MINIMUM AND |
| 12.146 MILLIMETERS MAXIMUM |