DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.926 INCHES MINIMUM AND 2.936 INCHES MAXIMUM FIRST HOLE |
CONCENTRIC HOLE DEPTH | 2.500 INCHES NOMINAL |
CONCENTRIC HOLE DIAMETER | 0.374 INCHES MINIMUM AND 0.381 INCHES MAXIMUM |
FASTENER LENGTH | 3.054 INCHES NOMINAL |
HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.140 INCHES NOMINAL |
HEAD STYLE | HEXAGON |
MATERIAL | STEEL COMP 410 OVERALL |
NOMINAL THREAD DIAMETER | 0.500 INCHES |
SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE |
SHOULDER DIAMETER | 0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM |
SHOULDER LENGTH | 2.675 INCHES MINIMUM AND 2.685 INCHES MAXIMUM |
WIDTH BETWEEN FLATS | 1.000 INCHES NOMINAL |
STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | PASSIVATE OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.388 INCHES MINIMUM AND 0.398 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 20 |
THREAD SERIES DESIGNATOR | UNJF |