Grabber Construction Products GRABBER® #12-24 x 1-1/4" Hex Head Zinc Drill Point Tek 4 Self-Drilling Screw- 3,000 Count

This screw attaches heavy-gauge 20-8-gauge metal to metal. The hex head framing screw is used in heavy-gauge metal-to-metal applications where high torque is required (Tek 4 point).