DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.935 INCHES NOMINAL FIRST HOLE |
FASTENER LENGTH | 3.065 INCHES NOMINAL |
HEAD HEIGHT | 0.200 INCHES NOMINAL |
HEAD STYLE | HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL COMP 4340 OVERALL |
MINIMUM TENSILE STRENGTH | 200000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.438 INCHES |
SHANK UNTHREADED HOLE DIAMETER | 0.108 INCHES MINIMUM AND 0.113 INCHES MAXIMUM FIRST HOLE |
SHOULDER DIAMETER | 0.498 INCHES MINIMUM AND 0.499 INCHES MAXIMUM SECOND SHOULDER |
SHOULDER DIAMETER | 0.623 INCHES MINIMUM AND 0.624 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER LENGTH | 2.480 INCHES NOMINAL FIRST SHOULDER |
SHOULDER SHAPE | ROUND ALL SHOULDERS |
SHOULDER LENGTH | 1.249 INCHES NOMINAL SECOND SHOULDER |
WIDTH BETWEEN FLATS | 0.750 INCHES NOMINAL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.410 INCHES MINIMUM |
THREAD QUANTITY PER INCH | 20 |
THREAD SERIES DESIGNATOR | UNF |