| THREAD SERIES DESIGNATOR | M |
| NOMINAL THREAD DIAMETER | 12.0 MILLIMETERS |
| THREAD PITCH IN MILLIMETERS | 1.75 |
| EXTERNAL THREAD TOLERANCE CLASS | 6G |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 40.0 MILLIMETERS NOMINAL |
| FASTENER LENGTH | 40.0 MILLIMETERS NOMINAL |
| MATERIAL | STEEL PROPERTY CLASS 12.9 OVERALL |
| HEAD STYLE | FLAT CHAMFER |
| HEAD DIAMETER | 17.73 MILLIMETERS MINIMUM AND |
| 18.27 MILLIMETERS MAXIMUM |
| HEAD HEIGHT | 11.57 MILLIMETERS MINIMUM AND |
| 12.00 MILLIMETERS MAXIMUM |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 10.03 MILLIMETERS MINIMUM AND |
| 10.18 MILLIMETERS MAXIMUM |
| SPECIAL FEATURES | FINISH: FINAL PROTECTIVE FINISH IAW 12600041 METHOD 4 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, CAP, SOCKET HEAD |