| FASTENER LENGTH | 55.5 MILLIMETERS MINIMUM AND 56.5 MILLIMETERS MAXIMUM |
| HEAD STYLE | ROUND W/WRENCH FLATS |
| INTERNAL DRIVE STYLE | SLOT |
| MATERIAL DOCUMENT AND CLASSIFICATION | 1E320 CAGEC 11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 1018 OVERALL OR STEEL COMP 1019 OVERALL |
| POINT STYLE | FLAT |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| SPECIAL FEATURES | DRIVE IN THREADED END; UNTHREADED LTH 5.0 MM AND 10.85 MM DIA |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 50.5 MILLIMETERS MINIMUM AND 51.5 MILLIMETERS MAXIMUM |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNF |