| FASTENER LENGTH | 34.5 MILLIMETERS MINIMUM AND 35.5 MILLIMETERS MAXIMUM |
| HEAD HEIGHT | 5.15 MILLIMETERS MINIMUM AND 5.45 MILLIMETERS MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | ISO 898-1 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS |
| WIDTH BETWEEN FLATS | 12.73 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ISO 4042 INTERNATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC ALLOY OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 19.5 MILLIMETERS MINIMUM AND 24.5 MILLIMETERS MAXIMUM |
| THREAD SERIES DESIGNATOR | M |
| THREAD PITCH IN MILLIMETERS | 1.25 |