| EXTENDED WASHER DIAMETER | 24.70 MILLIMETERS MAXIMUM |
| EXTENDED WASHER THICKNESS | 1.80 MILLIMETERS MINIMUM |
| FASTENER LENGTH | 80.0 MILLIMETERS NOMINAL |
| HEAD HEIGHT | 11.90 MILLIMETERS MAXIMUM |
| HEAD STYLE | HEXAGON EXTENDED WASHER |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A574M, ALLOY STEEL AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREWS, HEX, FLANGE 2-1 (METRIC) |
| NOMINAL THREAD DIAMETER | 12.0 MILLIMETERS |
| SPECIFICATION/STANDARD DATA | 05047-ASME B18.24-2023 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-PRF-32647, ZN-NI ALLOY, HEXAVALENT CHROMIUM FREE, TYPE K16 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC NICKEL OVERALL |
| THREAD CLASS | 6G |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 30.0 MILLIMETERS NOMINAL |
| THREAD PITCH IN MILLIMETERS | 1.75 |
| THREAD SERIES DESIGNATOR | M |
| WIDTH BETWEEN FLATS | 14.57 MILLIMETERS MINIMUM AND 15.00 MILLIMETERS MAXIMUM |