DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.650 INCHES NOMINAL |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
FASTENER LENGTH | 0.987 INCHES NOMINAL |
FIRST DIAMETER FROM HEAD | 0.200 INCHES MINIMUM AND 0.205 INCHES MAXIMUM |
HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
HEAD STYLE | DISHED HEXAGON |
MATERIAL | STEEL OVERALL |
MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
SPECIAL FEATURES | CONICAL POINT |
WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.337 INCHES NOMINAL |
THREAD SERIES DESIGNATOR | UNF |
THREAD QUANTITY PER INCH | 28 |