FASTENER LENGTH | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM |
HARDNESS RATING | 24.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
HEAD STYLE | HEXAGON |
INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | IRON ALLOY 660 OVERALL |
MINIMUM TENSILE STRENGTH | 130000 POUNDS PER SQUARE INCH |
MINIMUM YIELD STRENGTH | 85000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.190 INCHES |
POINT CHAMFER ANGLE | 24.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM |
POINT DIAMETER | 0.135 INCHES MINIMUM AND 0.145 INCHES MAXIMUM |
POINT LENGTH | 0.208 INCHES MINIMUM AND 0.238 INCHES MAXIMUM |
POINT STYLE | FLAT |
WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.148 INCHES MINIMUM AND 0.220 INCHES MAXIMUM |
THREAD SERIES DESIGNATOR | UNJF |
THREAD QUANTITY PER INCH | 32 |