| EXTERNAL THREAD TOLERANCE CLASS | 6G |
| FASTENER LENGTH | 30.0 MILLIMETERS NOMINAL |
| HEAD DIAMETER | 20.48 MILLIMETERS MINIMUM AND 21.00 MILLIMETERS MAXIMUM |
| HEAD HEIGHT | 6.24 MILLIMETERS MINIMUM AND 6.60 MILLIMETERS MAXIMUM |
| HEAD STYLE | BUTTON |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL | STEEL PROPERTY CLASS 10.9 OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | SCR, BTN SOC TAB M12 C10.9 |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD DIAMETER | 12.0 MILLIMETERS |
| WIDTH ACROSS FLATS | 8.03 MILLIMETERS MINIMUM AND 8.12 MILLIMETERS MAXIMUM |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 26.5 MILLIMETERS NOMINAL |
| THREAD SERIES DESIGNATOR | M |
| THREAD PITCH IN MILLIMETERS | 1.75 |