THREAD SERIES DESIGNATOR | UNC |
NOMINAL THREAD DIAMETER | 1.000 INCHES |
THREAD QUANTITY PER INCH | 8 |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.812 INCHES MINIMUM |
FASTENER LENGTH | 3.531 INCHES NOMINAL |
MATERIAL | STEEL COMP 1020 OVERALL |
MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
HARDNESS RATING | 79.8 ROCKWELL B NOMINAL OVERALL |
MINIMUM YIELD STRENGTH | 43000 POUNDS PER SQUARE INCH |
HEAD STYLE | PAN NO. 2 |
HEAD DIAMETER | 1.688 INCHES NOMINAL |
HEAD HEIGHT | 0.500 INCHES NOMINAL |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
SHOULDER DIAMETER | 1.250 INCHES NOMINAL FIRST SHOULDER |
| 0.625 INCHES NOMINAL SECOND SHOULDER |
SHOULDER LENGTH | 2.500 INCHES NOMINAL FIRST SHOULDER |
| 0.219 INCHES NOMINAL SECOND SHOULDER |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.281 INCHES NOMINAL FIRST HOLE |
SHANK UNTHREADED HOLE DIAMETER | 0.188 INCHES NOMINAL FIRST HOLE |
SPECIAL FEATURES | W/CASTELLATED HEX NUT |