FASTENER LENGTH | 0.431 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |
HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL |
HEAD DIAMETER | 0.497 INCHES MINIMUM AND 0.503 INCHES MAXIMUM |
HEAD HEIGHT | 0.157 INCHES MINIMUM AND 0.163 INCHES MAXIMUM |
HEAD STYLE | FLAT CHAMFER |
INTERNAL DRIVE STYLE | SLOT |
MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-530 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | COPPER ALLOY 172 OVERALL |
NOMINAL THREAD DIAMETER | 0.312 INCHES |
POINT DIAMETER | 0.246 INCHES MINIMUM AND 0.249 INCHES MAXIMUM |
POINT LENGTH | 0.141 INCHES NOMINAL |
POINT STYLE | DOG |
THREAD CLASS | 2A |
THREAD LENGTH | 0.196 INCHES MINIMUM AND 0.202 INCHES MAXIMUM |
THREAD DIRECTION | RIGHT-HAND |
THREAD SERIES DESIGNATOR | UNC |
THREAD QUANTITY PER INCH | 18 |