| CONCENTRIC HOLE DIAMETER | 0.734 INCHES NOMINAL |
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 6.500 INCHES NOMINAL FIRST HOLE |
| FASTENER LENGTH | 6.900 INCHES NOMINAL |
| HEAD HEIGHT | 0.430 INCHES MINIMUM AND 0.470 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL | STEEL COMP 8630 OR STEEL COMP 4130 OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 1.250 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM FIRST HOLE |
| SPECIAL FEATURES | 0.210 IN. W BY 1.042 IN. DIA EXTERNAL RELIEF ON SHANK 5.500 IN. FROM HEAD BEARING SURFACE |
| STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.190 INCHES MINIMUM |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 12 |
| WIDTH BETWEEN FLATS | 1.802 INCHES MINIMUM AND 1.815 INCHES MAXIMUM |