Thread cutting screw with type F point has machine screw threads that taper down to a blunt edge and is suitable for heavy gauge sheet metal, aluminum, cast iron, brass, and plastic
Steel is often used in applications where strength is the primary consideration
Zinc plating resists corrosion and has a reflective appearance
Truss head has an extra-wide low-profile domed shape for applications with minimal clearance
Phillips drive has an x-shaped slot that accepts a Phillips driver and is designed to prevent over-tightening