| COLOR | BLACK OVERALL |
| FASTENER LENGTH | 20.0 MILLIMETERS NOMINAL |
| HEAD HEIGHT | 6.22 MILLIMETERS MINIMUM AND 6.58 MILLIMETERS MAXIMUM |
| HEAD STYLE | HEXAGON |
| LOCKING FEATURE | MATERIAL IN THREADS THREADS |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM F568M AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL PROPERTY CLASS 10.9 OVERALL |
| NOMINAL THREAD DIAMETER | 10.0 MILLIMETERS |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | F-100, D60, TYPE I MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 20.0 MILLIMETERS NOMINAL |
| THREAD PITCH IN MILLIMETERS | 1.5 |
| THREAD SERIES DESIGNATOR | M |
| WIDTH BETWEEN FLATS | 16.73 MILLIMETERS MINIMUM AND 17.00 MILLIMETERS MAXIMUM |