FASTENER LENGTH | 1.219 INCHES NOMINAL |
FEATURES PROVIDED | FINISHED HEAD |
GRIP LENGTH | 0.030 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.219 INCHES NOMINAL |
HEAD STYLE | HEXAGON |
HOLE CONFIGURATION STYLE | HEXAGON LONGITUDINAL HOLE |
HOLE DIAMETER | 0.070 INCHES NOMINAL |
HOLE QUANTITY | 6 |
HOLE TYPE | DRILLED |
MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-6812 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
MATERIAL | STEEL COMP 4037 OR STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 4140 OVERALL |
MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
WIDTH BETWEEN FLATS | 0.438 INCHES NOMINAL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 1.159 INCHES MINIMUM AND 1.189 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 28 |
THREAD SERIES DESIGNATOR | UNF |