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
Hex washer head has a flange for additional grip with the mating surface and has six flat sides that a wrench can grip to turn from the side