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
Black oxide finish offers mild corrosion resistance and lubricity
Flat head has an 82-degree cone-shaped bearing surface for use in countersunk holes and a flat top that fits flush with the mated surface
Phillips drive has an x-shaped slot that accepts a Phillips driver and is designed to prevent over-tightening