FASTENER LENGTH | 3.825 INCHES MINIMUM AND 3.855 INCHES MAXIMUM |
GRIP DIAMETER | 0.5761 INCHES MINIMUM AND 0.5771 INCHES MAXIMUM |
GRIP LENGTH | 2.990 INCHES MINIMUM AND 3.010 INCHES MAXIMUM |
HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.281 INCHES MINIMUM AND 0.296 INCHES MAXIMUM |
HEAD STYLE | DISHED HEXAGON |
MATERIAL | STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150 OVERALL |
MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.562 INCHES |
SPECIFICATION/STANDARD DATA | 80205-NAS2909 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
WIDTH BETWEEN FLATS | 0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM |
SURFACE FINISH | 32.0 MICROINCHES THREADS |
SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
SURFACE FINISH | 63.0 MICROINCHES GRIP |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
THREAD DIRECTION | RIGHT-HAND |
THREAD CLASS | 3A |
THREAD LENGTH | 0.815 INCHES MINIMUM AND 0.865 INCHES MAXIMUM |
THREAD SERIES DESIGNATOR | UNJF |
THREAD QUANTITY PER INCH | 18 |