| THREAD SERIES DESIGNATOR | M |
| THREAD LENGTH | 23.5 MILLIMETERS MINIMUM AND |
| 37.4 MILLIMETERS MAXIMUM |
| FASTENER LENGTH | 79.40 MILLIMETERS MINIMUM AND |
| 80.60 MILLIMETERS MAXIMUM |
| MATERIAL | STEEL PROPERTY CLASS 10.9 OVERALL |
| HEAD STYLE | CHAMFER FLANGE |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD DIAMETER | 16.0 MILLIMETERS |
| THREAD PITCH IN MILLIMETERS | 2.0 |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM F568 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OR |
| ISO898-1 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | FM100, D60, TYPE I ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| HEAD HEIGHT | 15.4 MILLIMETERS MAXIMUM |
| WIDTH BETWEEN FLATS | 23.16 MILLIMETERS MINIMUM AND |
| 24.00 MILLIMETERS MAXIMUM |
| EXTENDED WASHER DIAMETER | 35.0 MILLIMETERS MAXIMUM |