DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.710 INCHES MINIMUM AND 0.730 INCHES MAXIMUM FIRST HOLE |
FASTENER LENGTH | 0.870 INCHES MINIMUM AND 0.890 INCHES MAXIMUM |
HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM |
HEAD STYLE | HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL COMP H11 OVERALL |
MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE |
SHOULDER DIAMETER | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER LENGTH | 0.495 INCHES MINIMUM AND 0.515 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS 672 ASSN STD SINGLE TREATMENT RESPONSE HEAD |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS 672 ASSN STD SINGLE TREATMENT RESPONSE THREADS |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-C-320 CL 2 FED SPEC SINGLE TREATMENT RESPONSE GRIP |
SURFACE TREATMENT | CADMIUM HEAD |
SURFACE TREATMENT | CADMIUM THREADS |
SURFACE TREATMENT | CHROMIUM GRIP |
THREAD CLASS | 3A |
THREAD LENGTH | 0.276 INCHES MINIMUM AND 0.296 INCHES MAXIMUM |
THREAD DIRECTION | RIGHT-HAND |
THREAD SERIES DESIGNATOR | UNF |
THREAD QUANTITY PER INCH | 28 |