#8 x 1/2" Black Zinc Pan Head Self Drilling Tek Metal Screws 100/Pack

Get powerful and convenient fastening performance with these metal screws. Ideal for use in chimney projects, the steel TEK screws feature a black phosphate finish that provides rust resistance. Easy to install with a square driver, they have a pan head for great torque and hold. The metal screws have a self-tapping thread that offers efficient drilling and fastening performance, while the self-drilling point eliminates the need for a pilot hole.