| THREAD SERIES DESIGNATOR | M |
| NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS |
| THREAD PITCH IN MILLIMETERS | 1.25 |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 32.5 MILLIMETERS NOMINAL |
| FASTENER LENGTH | 35.0 MILLIMETERS NOMINAL |
| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ISO 898-1 INTERNATIONAL STD/SPEC 1ST MATERIAL RESPONSE OR |
| ASTM F568M INTERNATIONAL STD/SPEC 2ND MATERIAL RESPONSE OVERALL |
| HEAD STYLE | BUTTON |
| HEAD DIAMETER | 13.57 MILLIMETERS MINIMUM AND |
| 14.00 MILLIMETERS MAXIMUM |
| HEAD HEIGHT | 4.1 MILLIMETERS MINIMUM AND |
| 4.4 MILLIMETERS MAXIMUM |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 5.02 MILLIMETERS MINIMUM AND |
| 5.08 MILLIMETERS MAXIMUM |
| SPECIAL FEATURES | FINISH: D60, TYPE 1 PER FM100 |