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
18-8 stainless steel provides good corrosion resistance and strength
Plain surface has no finish or coating
Flat undercut head has a flat top with an 82-degree cone-shaped bearing surface and is undercut for use in shallow countersunk holes
Phillips drive has an x-shaped slot that accepts a Phillips driver and is designed to prevent over-tightening