| EXTERNAL THREAD TOLERANCE CLASS | 4G6G |
| FASTENER LENGTH | 50.0 MILLIMETERS NOMINAL |
| HEAD DIAMETER | 12.7 MILLIMETERS MINIMUM AND 13.0 MILLIMETERS MAXIMUM |
| HEAD HEIGHT | 7.8 MILLIMETERS MINIMUM AND 8.0 MILLIMETERS MAXIMUM |
| HEAD STYLE | FLAT CHAMFER |
| INTERNAL DRIVE STYLE | HEXAGON |
| LOCKING FEATURE | STRIP OR PELLET OR PATCH THREADS |
| MATERIAL | STEEL PROPERTY CLASS 12.9 OVERALL |
| NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW CAP HEXAGON SOCKET HEAD (METRIC) |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 28.0 MILLIMETERS MINIMUM AND 34.3 MILLIMETERS MAXIMUM |
| THREAD PITCH IN MILLIMETERS | 1.25 |
| THREAD SERIES DESIGNATOR | ISO M |
| WIDTH ACROSS FLATS | 6.0 MILLIMETERS NOMINAL |