| FASTENER LENGTH | 4.500 INCHES NOMINAL |
| HEAD STYLE | HEXAGON |
| HEAD HEIGHT | 0.350 INCHES NOMINAL |
| SHANK UNTHREADED HOLE DIAMETER | 0.101 INCHES MINIMUM AND 0.111 INCHES MAXIMUM FIRST HOLE |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH |
| HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL |
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 4.300 INCHES NOMINAL FIRST HOLE |
| MATERIAL | STEEL COMP D6AC OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-8649 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |