| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.687 INCHES NOMINAL FIRST HOLE |
| FASTENER LENGTH | 0.859 INCHES NOMINAL |
| GROOVE DIAMETER | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM |
| HEAD DIAMETER | 0.625 INCHES NOMINAL |
| HEAD HEIGHT | 0.156 INCHES NOMINAL |
| HEAD STYLE | BUTTON |
| INTERNAL DRIVE STYLE | SLOT |
| MATERIAL | STEEL OVERALL |
| MINIMUM TENSILE STRENGTH | 3250 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| SINGLE SHEAR STRENGTH | 5750 POUNDS PER SQUARE INCH |
| SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES NOMINAL FIRST HOLE |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD LENGTH | 0.210 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNF |