| FASTENER LENGTH | 19.60 MILLIMETERS MINIMUM AND 20.40 MILLIMETERS MAXIMUM |
| HEAD DIAMETER | 12.70 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM |
| HEAD STYLE | FLAT FILLISTER |
| HEAD HEIGHT | 7.83 MILLIMETERS MINIMUM AND 8.00 MILLIMETERS MAXIMUM |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM F837M INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM F837M INTERNATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 19.60 MILLIMETERS MINIMUM AND 20.40 MILLIMETERS MAXIMUM |
| THREAD PITCH IN MILLIMETERS | 0.25 |
| THREAD SERIES DESIGNATOR | M |
| WIDTH ACROSS FLATS | 6.020 MILLIMETERS MINIMUM AND 6.095 MILLIMETERS MAXIMUM |