| FASTENER LENGTH | 2.801 INCHES MINIMUM AND 2.831 INCHES MAXIMUM |
| HEAD STYLE | DISHED HEXAGON |
| HEAD HEIGHT | 0.219 INCHES MINIMUM AND 0.234 INCHES MAXIMUM |
| GRIP DIAMETER | 0.4363 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM |
| NOMINAL THREAD DIAMETER | 0.438 INCHES |
| GRIP LENGTH | 1.923 INCHES MINIMUM AND 1.953 INCHES MAXIMUM |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM FASTENER |
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.258 INCHES MINIMUM AND 2.316 INCHES MAXIMUM FIRST HOLE |
| MATERIAL | STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150 FASTENER |