| EXTENDED WASHER DIAMETER | 35.0 MILLIMETERS MAXIMUM |
| EXTERNAL THREAD TOLERANCE CLASS | 6G |
| FASTENER LENGTH | 75.0 MILLIMETERS NOMINAL |
| GRIP LENGTH | 27.0 MILLIMETERS MINIMUM AND 37.0 MILLIMETERS MAXIMUM |
| HEAD HEIGHT | 15.4 MILLIMETERS MAXIMUM |
| HEAD STYLE | CHAMFER FLANGE |
| MATERIAL DOCUMENT AND CLASSIFICATION | CEMS A-31 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL PROPERTY CLASS 10.9 OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | HEAVY HEX FLANGE HEAD BOLT |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD DIAMETER | 16.0 MILLIMETERS |
| WIDTH BETWEEN FLATS | 23.2 MILLIMETERS MINIMUM AND 24.0 MILLIMETERS MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | TMS-4518, TYPE I MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC ALLOY OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 38.0 MILLIMETERS NOMINAL |
| THREAD SERIES DESIGNATOR | M |
| THREAD PITCH IN MILLIMETERS | 2.0 |