DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.233 INCHES NOMINAL |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.375 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 0.437 INCHES NOMINAL |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 3 |
FASTENER LENGTH | 1.906 INCHES NOMINAL |
FIRST DIAMETER FROM HEAD | 0.309 INCHES MINIMUM AND 0.311 INCHES MAXIMUM |
HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.156 INCHES NOMINAL |
HEAD STYLE | HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL COMP 416 OVERALL |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
SECOND DIAMETER FROM HEAD | 0.195 INCHES MINIMUM AND 0.202 INCHES MAXIMUM |
WIDTH BETWEEN FLATS | 0.438 INCHES NOMINAL |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THIRD DIAMETER FROM HEAD | 0.265 INCHES NOMINAL |
THREAD LENGTH | 1.219 INCHES NOMINAL |
THREAD QUANTITY PER INCH | 20 |
THREAD SERIES DESIGNATOR | UNC |