DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.890 INCHES MINIMUM AND 3.930 INCHES MAXIMUM FIRST HOLE |
FASTENER LENGTH | 4.110 INCHES MINIMUM AND 4.130 INCHES MAXIMUM |
HEAD HEIGHT | 0.354 INCHES MINIMUM AND 0.396 INCHES MAXIMUM |
HEAD STYLE | HEXAGON |
MATERIAL | STEEL OVERALL |
NOMINAL THREAD DIAMETER | 0.437 INCHES |
SHANK UNTHREADED HOLE DIAMETER | 0.102 INCHES MINIMUM AND 0.112 INCHES MAXIMUM FIRST HOLE |
SHOULDER DIAMETER | 0.6850 INCHES MINIMUM AND 0.6860 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER LENGTH | 3.450 INCHES MINIMUM AND 3.470 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
WIDTH BETWEEN FLATS | 0.847 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.490 INCHES MINIMUM AND 0.530 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 14 |
THREAD SERIES DESIGNATOR | UNC |