DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 4.052 INCHES NOMINAL FIRST HOLE |
CONCENTRIC HOLE DEPTH | 3.320 INCHES NOMINAL |
CONCENTRIC HOLE DIAMETER | 0.312 INCHES NOMINAL |
FASTENER LENGTH | 4.290 INCHES NOMINAL |
HEAD HEIGHT | 0.150 INCHES NOMINAL |
HEAD DIAMETER | 1.000 INCHES NOMINAL |
HEAD STYLE | ROUND W/WRENCH FLATS CHAMFERED |
MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL OVERALL |
MINIMUM TENSILE STRENGTH | 155000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.312 INCHES |
SHANK UNTHREADED HOLE DIAMETER | 0.078 INCHES NOMINAL FIRST HOLE |
SHOULDER DIAMETER | 0.6217 INCHES MINIMUM AND 0.6227 INCHES MAXIMUM |
SHOULDER LENGTH | 3.490 INCHES NOMINAL |
WIDTH BETWEEN FLATS | 0.865 INCHES NOMINAL |
STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.500 INCHES NOMINAL |
THREAD QUANTITY PER INCH | 24 |
THREAD SERIES DESIGNATOR | UNJF |