| THREAD SERIES DESIGNATOR | M |
| NOMINAL THREAD DIAMETER | 5.0 MILLIMETERS |
| THREAD PITCH IN MILLIMETERS | 0.8 |
| EXTERNAL THREAD TOLERANCE CLASS | 6G |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 8.0 MILLIMETERS NOMINAL |
| FASTENER LENGTH | 8.0 MILLIMETERS NOMINAL |
| MATERIAL | STEEL OVERALL |
| SURFACE TREATMENT | ZINC AND |
| CHROMATE OVERALL |
| HEAD STYLE | BUTTON |
| HEAD DIAMETER | 9.1 MILLIMETERS MINIMUM AND |
| 9.5 MILLIMETERS MAXIMUM |
| HEAD HEIGHT | 2.5 MILLIMETERS MINIMUM AND |
| 2.8 MILLIMETERS MAXIMUM |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 5.0 MILLIMETERS MINIMUM AND |
| 5.1 MILLIMETERS MAXIMUM |
| SPECIAL FEATURES | PLAIN END - OPTIONAL-TYPE SELF-LOCKING |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | METRIC SOCKET BUTTON HEAD CAP SCREW |