DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.620 INCHES MINIMUM AND 1.630 INCHES MAXIMUM FIRST HOLE |
FASTENER LENGTH | 1.805 INCHES NOMINAL |
HEAD HEIGHT | 0.125 INCHES NOMINAL |
HEAD STYLE | HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-8844 CL 3 COND E2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL OVERALL |
MINIMUM TENSILE STRENGTH | 280000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.312 INCHES |
SHANK UNTHREADED HOLE DIAMETER | 0.078 INCHES MINIMUM AND 0.083 INCHES MAXIMUM FIRST HOLE |
SHOULDER DIAMETER | 0.498 INCHES MINIMUM AND 0.499 INCHES MAXIMUM SECOND SHOULDER |
SHOULDER DIAMETER | 0.561 INCHES MINIMUM AND 0.562 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER LENGTH | 0.445 INCHES MINIMUM AND 0.455 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER LENGTH | 0.520 INCHES MINIMUM AND 0.530 INCHES MAXIMUM SECOND SHOULDER |
SHOULDER SHAPE | ROUND ALL SHOULDERS |
SPECIAL FEATURES | SECOND SHOULDER-ECCENTRIC WITH A 32 FINISH; THIRD SHOULDER 0.436 MIN AND 0.437 MAX DIA BY 0.445 LONG |
THREAD CLASS | 3A |
THREAD LENGTH | 0.300 INCHES NOMINAL |
THREAD DIRECTION | RIGHT-HAND |
THREAD QUANTITY PER INCH | 24 |
THREAD SERIES DESIGNATOR | UNF |
WIDTH BETWEEN FLATS | 0.615 INCHES MINIMUM AND 0.627 INCHES MAXIMUM |