COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
FASTENER LENGTH | 0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
HEAD DIAMETER | 0.263 INCHES MINIMUM AND 0.307 INCHES MAXIMUM |
HEAD STYLE | FLAT COUNTERSUNK |
INTERNAL DRIVE STYLE | HEXAGON |
LOCKING FEATURE | STRIP OR PATCH THREADS |
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 | 0.164 INCHES |
WIDTH ACROSS FLATS | 0.094 INCHES NOMINAL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CHROMATE AND CADMIUM OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.408 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 32 |
THREAD SERIES DESIGNATOR | UNC |