| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.219 INCHES NOMINAL FIRST HOLE |
| DISTANCE FROM CENTER OF HEAD TO CENTER OF SHANK | 0.062 INCHES NOMINAL |
| FASTENER LENGTH | 1.344 INCHES NOMINAL |
| HARDNESS RATING | 269.0 BRINELL STANDARD MINIMUM AND 293.0 BRINELL STANDARD MAXIMUM OVERALL |
| HEAD DIAMETER | 0.687 INCHES MINIMUM AND 0.692 INCHES MAXIMUM |
| HEAD HEIGHT | 0.218 INCHES NOMINAL |
| HEAD STYLE | FLAT CHAMFER |
| INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 3140 OVERALL |
| MINIMUM TENSILE STRENGTH | 135000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| NONSTANDARD THREAD PITCH DIAMETER | +0.4649 TO 0.4675 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES NOMINAL FIRST HOLE |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 20 |