DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.252 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
EXTENDED WASHER DIAMETER | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM |
EXTENDED WASHER THICKNESS | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
FASTENER LENGTH | 1.110 INCHES MINIMUM AND 1.130 INCHES MAXIMUM |
FIRST DIAMETER FROM HEAD | 0.222 INCHES MINIMUM AND 0.232 INCHES MAXIMUM |
HEAD HEIGHT | 0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
MATERIAL | STEEL OVERALL |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
WIDTH BETWEEN FLATS | 0.312 INCHES NOMINAL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.798 INCHES MINIMUM AND 0.878 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 28 |
THREAD SERIES DESIGNATOR | UNJF |