| THREAD SERIES DESIGNATOR | M |
| THREAD LENGTH | 9.71 MILLIMETERS MINIMUM AND |
| 10.29 MILLIMETERS MAXIMUM |
| FASTENER LENGTH | 9.71 MILLIMETERS MINIMUM AND |
| 10.29 MILLIMETERS MAXIMUM |
| MATERIAL | STEEL PROPERTY CLASS 8.8 OVERALL |
| HEAD STYLE | HEXAGON |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD DIAMETER | 4.0 MILLIMETERS |
| THREAD PITCH IN MILLIMETERS | 0.7 |
| THREAD CLASS | 6G |
| MATERIAL DOCUMENT AND CLASSIFICATION | ISO 898-1 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ISO 4042 INTERNATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| COLOR | BLACK OVERALL |
| HEAD HEIGHT | 2.675 MILLIMETERS MINIMUM AND |
| 2.925 MILLIMETERS MAXIMUM |
| WIDTH BETWEEN FLATS | 6.78 MILLIMETERS MINIMUM AND |
| 7.00 MILLIMETERS MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | HEXAGON HEAD SCREW |
| SPECIFICATION/STANDARD DATA | I9008-ISO 4017 NATIONAL STD/SPEC |