DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.548 INCHES NOMINAL FIRST HOLE |
FASTENER LENGTH | 1.688 INCHES NOMINAL |
FEATURES PROVIDED | FINISHED HEAD |
GRIP LENGTH | 0.815 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.250 INCHES NOMINAL |
HEAD STYLE | HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL COMP 8740 OVERALL |
MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.438 INCHES |
SPECIAL FEATURES | 2 HOLES AT 90 DEGREE ON AXIS OF THD |
SHANK UNTHREADED HOLE DIAMETER | 0.094 INCHES MINIMUM AND 0.101 INCHES MAXIMUM FIRST HOLE |
WIDTH BETWEEN FLATS | 0.616 INCHES MINIMUM AND 0.627 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 | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.813 INCHES MINIMUM AND 0.873 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 20 |
THREAD SERIES DESIGNATOR | UNF |