| EXTERNAL THREAD TOLERANCE CLASS | 5G6G |
| FASTENER LENGTH | 9.71 MILLIMETERS MINIMUM AND 10.29 MILLIMETERS MAXIMUM |
| HARDNESS RATING | 353.0 BRINELL STANDARD MINIMUM AND 412.0 BRINELL STANDARD MAXIMUM OVERALL |
| HEAD DIAMETER | 12.73 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM |
| HEAD HEIGHT | 7.64 MILLIMETERS MINIMUM AND 8.00 MILLIMETERS MAXIMUM |
| HEAD STYLE | FLAT FILLISTER |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | BS 6104 PART 1 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| MINIMUM TENSILE STRENGTH | 1220 NEWTONS PER SQUARE MILLIMETER |
| NOMINAL THREAD DIAMETER | 8.00 MILLIMETERS |
| SPECIAL FEATURES | ALTERNATIVE KNURLED HD;STRENGTH GRADE 12.9 |
| WIDTH ACROSS FLATS | 6.020 MILLIMETERS MINIMUM AND 6.095 MILLIMETERS MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DEF STAN 03-20 NATIONAL STD/SPEC ALL TREATMENT RESPONSES OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 10.00 MILLIMETERS NOMINAL |
| THREAD SERIES DESIGNATOR | ISO M |
| THREAD PITCH IN MILLIMETERS | 1.25 |