Flange Phillips self-tapping screws are fasteners with a flat, integrated flange head and a Phillips drive, designed to cut their own threads into materials like metal, plastic, or wood. The built-in flange distributes load evenly, reducing the need for a separate washer and minimizing surface damage. Commonly used in sheet metal work, automotive assemblies, and enclosures, they provide strong, secure, and vibration-resistant fastening.