DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.969 INCHES NOMINAL FIRST HOLE |
CONCENTRIC HOLE DEPTH | 2.062 INCHES NOMINAL |
CONCENTRIC HOLE DIAMETER | 0.250 INCHES NOMINAL |
FASTENER LENGTH | 3.375 INCHES NOMINAL |
HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.312 INCHES NOMINAL |
HEAD STYLE | HEXAGON |
MATERIAL | STEEL OVERALL |
NOMINAL THREAD DIAMETER | 0.750 INCHES |
NOMINAL THREAD SIZE | 0.250 INCHES CONCENTRIC HOLE |
NONSTANDARD THREAD PITCH DIAMETER | +0.6960 TO 0.7010 INCHES |
SHANK UNTHREADED HOLE DIAMETER | 0.125 INCHES NOMINAL FIRST HOLE |
SPECIAL FEATURES | EQUALLY SPACED RADIAL SERRATIONS ON HEAD BEARING SURFACE |
WIDTH BETWEEN FLATS | 1.062 INCHES NOMINAL |
STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 3.375 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 11 |
THREAD SERIES DESIGNATOR | UNS |
THREAD SERIES | UNF CONCENTRIC HOLE |
THREADS PER INCH | 11 CONCENTRIC HOLE |