These SPAX screws, often referred to as 'Rear Panel Cabinet Screws', have a large low profile head. They are perfect for attaching a thin layer of composite, wood, or even sheet metal to wood. The screws have a T20 Torx Drive for excellent torque, and are available with a yellow zinc plating. No pre-drilling is required in most materials. They will not break. SPAX screws are an instant solution for almost any construction project.