DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 4.834 INCHES MINIMUM AND 4.854 INCHES MAXIMUM FIRST HOLE |
FASTENER LENGTH | 4.959 INCHES MINIMUM AND 4.979 INCHES MAXIMUM |
HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM |
HEAD STYLE | HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL COMP 8740 OVERALL |
NOMINAL THREAD DIAMETER | 0.438 INCHES |
SHOULDER LENGTH | 4.094 INCHES NOMINAL FIRST SHOULDER |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
SHANK UNTHREADED HOLE DIAMETER | 0.107 INCHES MINIMUM AND 0.112 INCHES MAXIMUM FIRST HOLE |
SHOULDER DIAMETER | 0.447 INCHES NOMINAL FIRST SHOULDER |
WIDTH BETWEEN FLATS | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM |
SURFACE TREATMENT | CADMIUM OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.750 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
THREAD SERIES DESIGNATOR | UNF |
THREAD QUANTITY PER INCH | 20 |