DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.109 INCHES MINIMUM AND 1.141 INCHES MAXIMUM FIRST HOLE |
FASTENER LENGTH | 1.281 INCHES MINIMUM AND 1.328 INCHES MAXIMUM |
GRIP LENGTH | 0.875 INCHES NOMINAL |
GRIP DIAMETER | 0.4982 INCHES MINIMUM AND 0.4991 INCHES MAXIMUM |
HEAD HEIGHT | 0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL |
MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.500 INCHES |
SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES NOMINAL FIRST HOLE |
SINGLE SHEAR STRENGTH | 18650 POUNDS PER SQUARE INCH |
WIDTH BETWEEN FLATS | 0.740 INCHES MINIMUM AND 0.752 INCHES MAXIMUM |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | F1.20 FSCM 81205 MFR REF SINGLE TREATMENT RESPONSE HEAD |
SURFACE TREATMENT | CADMIUM HEAD |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.406 INCHES MINIMUM AND 0.453 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 20 |
THREAD SERIES DESIGNATOR | UNF |