FASTENER LENGTH | 3.906 INCHES MINIMUM AND 4.000 INCHES MAXIMUM |
FEATURES PROVIDED | FINISHED HEAD |
HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM |
HEAD STYLE | HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | SAEJ429GRADE8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL OVERALL |
MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.312 INCHES |
NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 10P STYLE AND 8 GRADE |
WIDTH BETWEEN FLATS | 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.875 INCHES MINIMUM AND 1.062 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 24 |
THREAD SERIES DESIGNATOR | UNF |