These TEK screws are designed for power and convenience. Constructed with steel with a zinc-plated coating, the screws deliver enhanced durability and smooth performance. 
They feature a hex head with washer for a great hold and grip. 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.