| BOTTOM COUNTERSINK DIAMETER | 9.50 MILLIMETERS MAXIMUM |
| FASTENER LENGTH | 16.00 MILLIMETERS NOMINAL AND 15.65 MILLIMETERS MINIMUM AND 16.35 MILLIMETERS MAXIMUM |
| HEAD DIAMETER | 9.14 MILLIMETERS MINIMUM |
| HEAD HEIGHT | 2.50 MILLIMETERS MINIMUM AND 2.75 MILLIMETERS MAXIMUM |
| HEAD STYLE | BUTTON |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | BS4168 GRADE 10.9 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL |
| NOMINAL THREAD DIAMETER | 5.00 MILLIMETERS |
| SPECIAL FEATURES | STRENGTH GRADE 10.9 |
| WIDTH ACROSS FLATS | 3.020 MILLIMETERS MINIMUM AND 3.080 MILLIMETERS MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DEFSTAN 03-20 MIL STD SINGLE TREATMENT RESPONSE OR DEFSTAN 03-33 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC AND PASSIVATE OVERALL |
| THREAD CLASS | 5G6G |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 16.00 MILLIMETERS NOMINAL |
| THREAD SERIES DESIGNATOR | ISO M |
| THREAD PITCH IN MILLIMETERS | 0.80 |