EXTENDED WASHER DIAMETER | 2.115 INCHES MINIMUM AND 2.125 INCHES MAXIMUM |
EXTENDED WASHER THICKNESS | 0.259 INCHES MINIMUM AND 0.279 INCHES MAXIMUM |
FASTENER LENGTH | 6.270 INCHES MINIMUM AND 6.290 INCHES MAXIMUM |
GRIP DIAMETER | 1.2475 INCHES MINIMUM AND 1.2490 INCHES MAXIMUM |
GRIP LENGTH | 4.490 INCHES MINIMUM AND 4.510 INCHES MAXIMUM |
HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 1.145 INCHES MINIMUM AND 1.165 INCHES MAXIMUM |
HEAD STYLE | DOUBLE HEXAGON W/HOLE |
HOLE CONFIGURATION STYLE | HEXAGON FLATS |
HOLE DIAMETER | 0.055 INCHES NOMINAL |
HOLE QUANTITY | 4 |
HOLE TYPE | DRILLED |
MATERIAL | STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 OR STEEL COMP 6150 OVERALL |
MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 1.250 INCHES |
WIDTH BETWEEN FLATS | 1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
THREAD DIRECTION | RIGHT-HAND |
THREAD CLASS | 3A |
THREAD LENGTH | 1.760 INCHES MINIMUM AND 1.800 INCHES MAXIMUM |
THREAD SERIES DESIGNATOR | UNF |
THREAD QUANTITY PER INCH | 12 |