Hillman 1000 Hour Flat Head Phillips Self Drilling Screws with Wings #10 x 1-7/16 in. 111 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.