| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.559 INCHES MINIMUM AND 2.591 INCHES MAXIMUM FIRST HOLE |
| FASTENER LENGTH | 2.678 INCHES MINIMUM AND 2.725 INCHES MAXIMUM |
| GRIP DIAMETER | 0.6230 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM |
| GRIP LENGTH | 2.052 INCHES MINIMUM AND 2.072 INCHES MAXIMUM |
| HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM |
| HEAD STYLE | DOUBLE HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6485 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6787 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP H11 OVERALL |
| MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.625 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.136 INCHES MINIMUM AND 0.146 INCHES MAXIMUM FIRST HOLE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.606 INCHES MINIMUM AND 0.673 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 18 |
| WIDTH BETWEEN FLATS | 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM |