| THREAD SERIES DESIGNATOR | MJ |
| NOMINAL THREAD DIAMETER | 5.0 MILLIMETERS |
| THREAD PITCH IN MILLIMETERS | 0.8 |
| EXTERNAL THREAD TOLERANCE CLASS | 4H6H |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 20.0 MILLIMETERS NOMINAL |
| FASTENER LENGTH | 20.0 MILLIMETERS NOMINAL |
| MATERIAL | IRON ALLOY 660 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | NA0026 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HEAD STYLE | FILLISTER |
| HEAD DIAMETER | 8.27 MILLIMETERS MINIMUM AND |
| 8.50 MILLIMETERS MAXIMUM |
| HEAD HEIGHT | 4.86 MILLIMETERS MINIMUM AND |
| 5.00 MILLIMETERS MAXIMUM |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 4.020 MILLIMETERS MINIMUM AND |
| 4.084 MILLIMETERS MAXIMUM |
| SPECIAL FEATURES | DRILLED HEAD |