DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.381 INCHES MINIMUM AND 3.421 INCHES MAXIMUM FIRST HOLE |
EXTENDED WASHER DIAMETER | 0.818 INCHES MINIMUM AND 0.828 INCHES MAXIMUM |
EXTENDED WASHER THICKNESS | 0.113 INCHES MINIMUM AND 0.133 INCHES MAXIMUM |
FASTENER LENGTH | 3.627 INCHES MINIMUM AND 3.657 INCHES MAXIMUM |
HEAD HEIGHT | 0.494 INCHES MINIMUM AND 0.514 INCHES MAXIMUM |
HEAD STYLE | DOUBLE HEXAGON W/HOLE |
MATERIAL DOCUMENT AND CLASSIFICATION | 23-112 TYPE A FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL CORROSION RESISTING OVERALL |
MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.500 INCHES |
SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM AND 0.111 INCHES MAXIMUM FIRST HOLE |
SHOULDER DIAMETER | 0.5302 INCHES MINIMUM AND 0.5307 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER LENGTH | 2.865 INCHES MINIMUM AND 2.885 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.742 INCHES MINIMUM AND 0.792 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 20 |
THREAD SERIES DESIGNATOR | UNJF |
WIDTH BETWEEN FLATS | 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM |