DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.900 INCHES MINIMUM AND 0.930 INCHES MAXIMUM |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 1.200 INCHES MINIMUM AND 1.230 INCHES MAXIMUM |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 3 |
FASTENER LENGTH | 1.630 INCHES MINIMUM AND 1.690 INCHES MAXIMUM |
FIRST DIAMETER FROM HEAD | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.170 INCHES MAXIMUM |
HEAD STYLE | HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5706 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL CORROSION RESISTING OVERALL |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
SECOND DIAMETER FROM HEAD | 0.204 INCHES MINIMUM AND 0.209 INCHES MAXIMUM |
WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THIRD DIAMETER FROM HEAD | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
THREAD LENGTH | 0.400 INCHES MINIMUM AND 0.490 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 28 |
THREAD SERIES DESIGNATOR | UNF |