| THREAD SERIES DESIGNATOR | ISO M |
| NOMINAL THREAD DIAMETER | 6.600 MILLIMETERS |
| THREAD PITCH IN MILLIMETERS | 1.0 |
| EXTERNAL THREAD TOLERANCE CLASS | 4H6H |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 24.00 MILLIMETERS NOMINAL |
| FASTENER LENGTH | 40.00 MILLIMETERS NOMINAL |
| MATERIAL | STEEL PROPERTY CLASS 12.9 OVERALL |
| HEAD STYLE | FLAT COUNTERSUNK |
| HEAD DIAMETER | 11.340 MILLIMETERS MINIMUM AND |
| 13.440 MILLIMETERS MAXIMUM |
| COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 4.000 MILLIMETERS NOMINAL |
| SPECIAL FEATURES | BLACK OXIDE FINISH |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, CAP, SOCKET HEAD |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | I9008 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | ISO10642-M6X20-12.9-ELZN-BLACKEN |