Hillman 47214 Screw, #10-16 Thread, 1 in L, Coarse Thread, Washer Head, Hex Drive, Self-Drilling Point, Steel, 130 PK

This self-drilling screw is used in wood, fiberglass, 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.