Hillman 560280 8-18X1-1/2 PPH DRL Screw

Phillips, pan head sheet metal screws. Self-drilling points that drill, tap, and fasten in 1 operation. Good for attaching almost any type of material to metal. 100-piece pack.

These self-drilling screws are used in wood, fiberglass and metal, and they possess a drill point enabling it to drill in 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 necessary.