| THREAD SERIES DESIGNATOR | M |
| NOMINAL THREAD DIAMETER | 4.0 MILLIMETERS |
| THREAD PITCH IN MILLIMETERS | 0.7 |
| THREAD CLASS | 6G |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 5.76 MILLIMETERS MINIMUM AND |
| 6.24 MILLIMETERS MAXIMUM |
| FASTENER LENGTH | 5.76 MILLIMETERS MINIMUM AND |
| 6.24 MILLIMETERS MAXIMUM |
| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ISO3506-1, GRADE A4-70 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | OXIDE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ISO11408 INTERNATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| COLOR | BLACK OVERALL |
| HEAD STYLE | BUTTON |
| HEAD DIAMETER | 7.24 MILLIMETERS MINIMUM AND |
| 7.60 MILLIMETERS MAXIMUM |
| HEAD HEIGHT | 1.95 MILLIMETERS MINIMUM AND |
| 2.20 MILLIMETERS MAXIMUM |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 2.520 MILLIMETERS MINIMUM AND |
| 2.580 MILLIMETERS MAXIMUM |
| SPECIFICATION/STANDARD DATA | I9008-ISO7380-1 NATIONAL STD/SPEC |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BUTTON HEAD SCREWS - HEXAGON SOCKET BUTTON HEAD SCREWS |