DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 4.249 INCHES NOMINAL FIRST HOLE |
FASTENER LENGTH | 4.437 INCHES NOMINAL |
GROOVE DIAMETER | 0.540 INCHES MINIMUM AND 0.550 INCHES MAXIMUM |
HEAD HEIGHT | 0.312 INCHES NOMINAL |
HEAD DIAMETER | 1.125 INCHES NOMINAL |
HEAD STYLE | BUTTON |
INTERNAL DRIVE STYLE | SLOT |
MATERIAL | STEEL CORROSION RESISTING OVERALL |
NOMINAL THREAD DIAMETER | 0.625 INCHES |
SINGLE SHEAR STRENGTH | 23000 POUNDS PER SQUARE INCH |
SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM FIRST HOLE |
SURFACE TREATMENT | CADMIUM AND DICHROMATE OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.488 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
THREAD SERIES DESIGNATOR | UNF |
THREAD QUANTITY PER INCH | 18 |