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
Pan head has a flat top and short vertical sides with a rounded top edge
Star drive has a six-pointed indentation that provides a large contact area for the driver, resisting slippage better than a Phillips or slotted drive