| THREAD SERIES DESIGNATOR | M |
| NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS |
| THREAD PITCH IN MILLIMETERS | 1.25 |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 52.00 MILLIMETERS MINIMUM AND |
| 52.36 MILLIMETERS MAXIMUM |
| FASTENER LENGTH | 52.00 MILLIMETERS MINIMUM AND |
| 52.36 MILLIMETERS MAXIMUM |
| MATERIAL | STEEL OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM F1941M ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| HEAD STYLE | FLAT FILLISTER |
| HEAD DIAMETER | 12.73 MILLIMETERS MINIMUM AND |
| 13.27 MILLIMETERS MAXIMUM |
| HEAD HEIGHT | 7.64 MILLIMETERS MINIMUM AND |
| 8.00 MILLIMETERS MAXIMUM |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 6.02 MILLIMETERS MINIMUM AND |
| 6.14 MILLIMETERS MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,CAP,HEXAGON |