DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.977 INCHES NOMINAL FIRST HOLE |
FASTENER LENGTH | 1.133 INCHES NOMINAL |
HEAD HEIGHT | 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM |
HEAD STYLE | HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL OVERALL |
MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.190 INCHES |
SHANK UNTHREADED HOLE DIAMETER | 0.070 INCHES NOMINAL FIRST HOLE |
SHOULDER DIAMETER | 0.2483 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
SHOULDER LENGTH | 0.770 INCHES MINIMUM AND 0.780 INCHES MAXIMUM FIRST SHOULDER |
WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
SURFACE TREATMENT | CADMIUM OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.291 INCHES MINIMUM AND 0.363 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 32 |
THREAD SERIES DESIGNATOR | UNJF |