COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
FASTENER LENGTH | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
HEAD DIAMETER | 0.442 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
HEAD STYLE | ROUND WEDGE |
INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL |
MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
POINT LENGTH | 0.150 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
POINT STYLE | DOG |
POINT DIAMETER | 0.127 INCHES MINIMUM AND 0.133 INCHES MAXIMUM |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.139 INCHES MINIMUM AND 0.230 INCHES MAXIMUM |
THREAD CLASS | 2A |
THREAD SERIES DESIGNATOR | UNF |
THREAD QUANTITY PER INCH | 28 |