DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 5.363 INCHES MINIMUM AND 5.393 INCHES MAXIMUM FIRST HOLE |
FASTENER LENGTH | 5.478 INCHES MINIMUM AND 5.498 INCHES MAXIMUM |
HEAD HEIGHT | 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM |
HEAD STYLE | HEXAGON |
LOCKING FEATURE | DETENT RING GRIP |
MATERIAL | STEEL OVERALL |
MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.312 INCHES |
SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE |
SHOULDER DIAMETER | 0.6235 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
SHOULDER LENGTH | 2.310 INCHES MINIMUM AND 2.330 INCHES MAXIMUM FIRST SHOULDER |
WIDTH BETWEEN FLATS | 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM |
SURFACE TREATMENT | PASSIVATE OVERALL |
THREAD CLASS | 3A |
THREAD LENGTH | 0.311 INCHES MINIMUM AND 0.378 INCHES MAXIMUM |
THREAD DIRECTION | RIGHT-HAND |
THREAD QUANTITY PER INCH | 24 |
THREAD SERIES DESIGNATOR | UNJF |