| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 1.000 INCHES |
| THREAD QUANTITY PER INCH | 12 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.010 INCHES NOMINAL |
| FASTENER LENGTH | 3.910 INCHES NOMINAL |
| MATERIAL | ALUMINUM ALLOY 7075 PRIMARY WASHER |
| STEEL COMP 4340 FASTENER |
| HARDNESS RATING | 22.0 ROCKWELL C MINIMUM AND |
| 26.0 ROCKWELL C MAXIMUM FASTENER |
| HEAD STYLE | HEXAGON |
| HEAD HEIGHT | 0.745 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 1.428 INCHES MINIMUM AND |
| 1.441 INCHES MAXIMUM |
| WASHER QUANTITY | 1 |
| PRIMARY WASHER STYLE | FLAT |
| PRIMARY WASHER OUTSIDE DIAMETER | 2.900 INCHES NOMINAL |
| PRIMARY WASHER MATERIAL THICKNESS | 0.100 INCHES NOMINAL |
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.620 INCHES NOMINAL LOCKING FEATURE |
| SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM AND |
| 0.151 INCHES MAXIMUM LOCKING FEATURE |