These TEK screws are designed for power and convenience. Constructed with steel and a zinc-plated coating, the screws deliver enhanced durability and smooth performance. They feature a pan head and are easily installed with a square driver. Ideal for ventilation duct applications, the metal screws have a self-tapping thread that offers efficient drilling and fastening performance. A self-drilling point eliminates the need for drilling a pilot hole to save you time and effort.