COUNTERSINK ANGLE | 82.0 DEGREES NOMINAL |
FASTENER LENGTH | 0.438 INCHES NOMINAL |
HARDNESS RATING | 80.0 ROCKWELL B MINIMUM OVERALL |
HEAD DIAMETER | 0.311 INCHES MINIMUM AND 0.359 INCHES MAXIMUM |
HEAD STYLE | FLAT COUNTERSUNK |
INTERNAL DRIVE STYLE | HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD 1ST MATERIAL RESPONSE OR 66 FED STD 2ND MATERIAL RESPONSE OR 66 FED STD 3RD MATERIAL RESPONSE OR 66 FED STD 4TH MATERIAL RESPONSE OR 66 FED STD 5TH MATERIAL RESPONSE OR ASTM A493 TYPE XM-7 ASSN STD 6TH MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 384 OR STEEL OVERALL |
MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.164 INCHES |
WIDTH ACROSS FLATS | 0.094 INCHES MINIMUM AND 0.095 INCHES MAXIMUM |
THREAD CLASS | 2A |
THREAD LENGTH | 0.264 INCHES MINIMUM AND 0.326 INCHES MAXIMUM |
THREAD DIRECTION | RIGHT-HAND |
THREAD SERIES DESIGNATOR | UNC |
THREAD QUANTITY PER INCH | 32 |