DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.120 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
FASTENER LENGTH | 1.590 INCHES MINIMUM AND 1.600 INCHES MAXIMUM |
FIRST DIAMETER FROM HEAD | 0.415 INCHES MINIMUM AND 0.425 INCHES MAXIMUM |
HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.270 INCHES MINIMUM AND 0.310 INCHES MAXIMUM |
HEAD STYLE | HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL COMP 431 OVERALL |
NOMINAL THREAD DIAMETER | 0.500 INCHES |
WIDTH BETWEEN FLATS | 0.750 INCHES NOMINAL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.450 INCHES MINIMUM AND 0.490 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 20 |
THREAD SERIES DESIGNATOR | UNF |