DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.781 INCHES NOMINAL FIRST HOLE |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.234 INCHES NOMINAL |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.078 INCHES NOMINAL |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
FASTENER LENGTH | 0.875 INCHES NOMINAL |
FIRST DIAMETER FROM HEAD | 0.266 INCHES NOMINAL |
HEAD HEIGHT | 0.234 INCHES NOMINAL |
HEAD STYLE | HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OR ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL OVERALL |
NOMINAL THREAD DIAMETER | 0.312 INCHES |
SECOND DIAMETER FROM HEAD | 0.296 INCHES MINIMUM AND 0.311 INCHES MAXIMUM |
SHANK UNTHREADED HOLE DIAMETER | 0.078 INCHES MINIMUM AND 0.083 INCHES MAXIMUM FIRST HOLE |
WIDTH BETWEEN FLATS | 0.500 INCHES NOMINAL |
SURFACE TREATMENT | PHOSPHATE OVERALL |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.562 INCHES MINIMUM |
THREAD QUANTITY PER INCH | 24 |
THREAD SERIES DESIGNATOR | UNF |