Grip Fast® #12 x 3" Zinc Hex Washer Self-Drilling Screw

Self-drilling screws have a drill point to easily drill into material such as thin-gauge steel, wood, and fiberglass. The sharp threads create their own mating thread when drilled into the material. No pre-drilled pilot holes are necessary.
Features
Material: Steel
Precise point designed to drill, tap, and fasten all in 1 motion
Used in metal to metal fastening
No pre-drilling required