EXTENDED WASHER DIAMETER | 0.750 INCHES NOMINAL |
EXTENDED WASHER THICKNESS | 0.090 INCHES MINIMUM AND 0.105 INCHES MAXIMUM |
FASTENER LENGTH | 0.600 INCHES MINIMUM AND 0.630 INCHES MAXIMUM |
FEATURES PROVIDED | CASEHARDENED AND FINISHED HEAD |
HARDNESS RATING | 22.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.293 INCHES MINIMUM AND 0.308 INCHES MAXIMUM |
HEAD STYLE | HEXAGON EXTENDED WASHER |
LOCKING FEATURE | LOCKING TEETH BEARING SURFACE OF HEAD |
MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
MINIMUM TENSILE STRENGTH | 115000 POUNDS PER SQUARE INCH |
MINIMUM YIELD STRENGTH | 115000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.312 INCHES |
WIDTH BETWEEN FLATS | 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.489 INCHES MINIMUM AND 0.519 INCHES MAXIMUM |
THREAD SERIES DESIGNATOR | UNC |
THREAD QUANTITY PER INCH | 18 |