| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 6.250 INCHES MINIMUM AND 6.290 INCHES MAXIMUM FIRST HOLE |
| FASTENER LENGTH | 6.390 INCHES MINIMUM AND 6.410 INCHES MAXIMUM |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 8740 OVERALL |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.102 INCHES MINIMUM AND 0.112 INCHES MAXIMUM FIRST HOLE |
| SHOULDER DIAMETER | 0.622 INCHES MINIMUM AND 0.624 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 5.795 INCHES MINIMUM AND 5.805 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| WIDTH BETWEEN FLATS | 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.485 INCHES MINIMUM AND 0.615 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNF |