| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.219 INCHES MINIMUM AND 1.281 INCHES MAXIMUM FIRST HOLE |
| FASTENER LENGTH | 2.531 INCHES MINIMUM AND 2.593 INCHES MAXIMUM |
| FEATURES PROVIDED | FINISHED HEAD |
| HEAD HEIGHT | 0.375 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A576 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 1030 OR STEEL COMP 1035 OVERALL |
| NOMINAL THREAD DIAMETER | 0.625 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.093 INCHES NOMINAL FIRST HOLE |
| WIDTH BETWEEN FLATS | 0.844 INCHES MINIMUM AND 0.906 INCHES MAXIMUM |
| SURFACE TREATMENT | ZINC OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 2.407 INCHES MINIMUM AND 2.469 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 11 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |