Detail & Specs
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Phillips Drive Oval Head Trim TAPPING Screw / Black
Self-Tapping screws are meant to be installed directly into sheet metal. Tapping Screws require a pilot hole and tap their own threads during install. They cannot be used with machine thread tapped holes or machine thread nuts.
Head Style
Unlike flat head countersunk screws, the convex portion of an oval head screw is meant to sit proud of the work surface after installation. The underside of the head has a 90 degree angle.
The length of oval head countersunk screws is measured from the beginning of the undercut of the head (where the raised oval convex meets the 90 degree angle) to the end of the threading.
Material
Made of steel, black oxide provides minimal corrosion resistance, best for dry environments.
