Hillman 1000 Hour Flat Head Phillips Self Drilling Screws with Wings #12 x 2-1/2 in. 54 pcs

Description

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.