Self-drilling Screws, Hex Washer Head, Zinc-plated, #10 X 1/2-in., 100-pk.

This self-drilling screw is used in wood, fiberglass, and metal, and it possess a drill point enabling it to drill its own hole in thin gauge steel. The sharp threads create their own mating thread when drilled into the material. No pre-drilled pilot holes are necessary. * Use in wood, fiberglass, and metalCoarse threads and self-drilling point eliminate need for a pilot holeHex drive for simple installationZinc-plated for moderate corrosion resistanceCase-hardened steel constructionFully threaded with a sharp point and threads