| EXTENDED WASHER DIAMETER | 29.55 MILLIMETERS MINIMUM AND 29.92 MILLIMETERS MAXIMUM |
| EXTENDED WASHER THICKNESS | 8.5 MILLIMETERS MINIMUM AND 9.0 MILLIMETERS MAXIMUM |
| FASTENER LENGTH | 60.0 MILLIMETERS NOMINAL |
| HEAD HEIGHT | 19.67 MILLIMETERS MINIMUM AND 20.00 MILLIMETERS MAXIMUM |
| HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM F568M AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD DIAMETER | 20.0 MILLIMETERS |
| SPECIAL FEATURES | FINISH:FINAL PROTECTIVE FINISH IAW 12600041 METHOD 4 |
| WIDTH BETWEEN FLATS | 19.90 MILLIMETERS MINIMUM AND 20.05 MILLIMETERS MAXIMUM |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 52.0 MILLIMETERS MINIMUM |
| THREAD SERIES DESIGNATOR | M |
| THREAD PITCH IN MILLIMETERS | 2.5 |