| THREAD SERIES DESIGNATOR | M |
| THREAD LENGTH | 22.0 MILLIMETERS NOMINAL |
| FASTENER LENGTH | 40.0 MILLIMETERS NOMINAL |
| MATERIAL | STEEL PROPERTY CLASS 8.8 OVERALL |
| HEAD STYLE | HEXAGON EXTENDED WASHER |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS |
| THREAD PITCH IN MILLIMETERS | 1.25 |
| MATERIAL DOCUMENT AND CLASSIFICATION | ISO898-1 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM F1941,TYPE 8C ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| HEAD HEIGHT | 8.5 MILLIMETERS MAXIMUM |
| WIDTH BETWEEN FLATS | 9.64 MILLIMETERS MINIMUM AND |
| 10.00 MILLIMETERS MAXIMUM |
| EXTENDED WASHER DIAMETER | 17.00 MILLIMETERS MAXIMUM |
| EXTENDED WASHER THICKNESS | 1.20 MILLIMETERS MINIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,MACHINE,HEX FLANGE HEAD,UNSLOTTED |
| SPECIFICATION/STANDARD DATA | 05047-ASME B18.24-2015 NATIONAL STD/SPEC |