| THREAD SERIES DESIGNATOR | M |
| NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS |
| THREAD PITCH IN MILLIMETERS | 1.25 |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 40.0 MILLIMETERS NOMINAL |
| FASTENER LENGTH | 40.0 MILLIMETERS NOMINAL |
| MATERIAL | STEEL PROPERTY CLASS 10.9 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ISO898-1 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CHROMATE ZINC OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM F1941,TYPE 5BT ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| HEAD STYLE | FLAT COUNTERSUNK |
| HEAD DIAMETER | 15.4 MILLIMETERS NOMINAL |
| HEAD HEIGHT | 4.6 MILLIMETERS MAXIMUM |
| COUNTERSINK ANGLE | 90.0 DEGREES MINIMUM AND |
| 92.0 DEGREES MAXIMUM |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 6.0 MILLIMETERS NOMINAL |
| SPECIFICATION/STANDARD DATA | 05047-ASME B18.24-2015 NATIONAL STD/SPEC |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,CAP,HEX SOCKET FLAT COUNTERSUNK HEAD |