COUNTERSINK ANGLE | 82.0 DEGREES NOMINAL |
FASTENER LENGTH | 0.375 INCHES NOMINAL |
HEAD DIAMETER | 0.311 INCHES MINIMUM AND 0.359 INCHES MAXIMUM |
HEAD HEIGHT | 0.112 INCHES NOMINAL |
HEAD STYLE | FLAT COUNTERSUNK UNDERCUT |
INTERNAL DRIVE STYLE | HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | FED-STD-66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL CORROSION RESISTING OVERALL |
MINIMUM TENSILE STRENGTH | 1120 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.164 INCHES |
SPECIAL FEATURES | OXIDE IS BLACK |
WIDTH ACROSS FLATS | 0.094 INCHES NOMINAL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC 1ST TREATMENT RESPONSE AND MIL-C-13924,CLASS 4 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | PASSIVATE AND OXIDE OVERALL |
THREAD DIRECTION | RIGHT-HAND |
THREAD CLASS | 3A |
THREAD SERIES DESIGNATOR | UNC |
THREAD PITCH IN MILLIMETERS | 0.79 |
THREAD QUANTITY PER INCH | 32 |