Screw, Hillman, Zinc-Plated, Hex-Drive, Washer-Head, Self-Drilling, #8 x 18 1/2 in, 4 PC

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.

• Coarse threads and self-drilling point eliminate need for a pilot hole
• Hex drive for simple installation
• Zinc-plated for moderate corrosion resistance