FASTENER LENGTH | 5.406 INCHES MINIMUM AND 5.500 INCHES MAXIMUM |
HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM |
HEAD STYLE | HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | SAE J429 GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL OVERALL |
MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.500 INCHES |
NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 10P STYLE AND 8 GRADE |
WIDTH BETWEEN FLATS | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 TY 2 SC 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | ZINC AND CHROMATE OVERALL |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 1.250 INCHES MINIMUM AND 1.438 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 20 |
THREAD SERIES DESIGNATOR | UNF |