FASTENER LENGTH | 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM |
HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
HEAD DIAMETER | 0.262 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
HEAD HEIGHT | 0.159 INCHES MINIMUM AND 0.164 INCHES MAXIMUM |
HEAD STYLE | FLAT CHAMFER |
INTERNAL DRIVE STYLE | HEXAGON |
LOCKING FEATURE | STRIP THREADS |
MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL OVERALL |
MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
MINIMUM YIELD STRENGTH | 130000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.164 INCHES |
WIDTH ACROSS FLATS | 0.140 INCHES MINIMUM AND 0.142 INCHES MAXIMUM |
SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
THREAD CLASS | 3A |
THREAD LENGTH | 0.265 INCHES MINIMUM AND 0.327 INCHES MAXIMUM |
THREAD DIRECTION | RIGHT-HAND |
THREAD QUANTITY PER INCH | 32 |
THREAD SERIES DESIGNATOR | UNC |