Simpson Strong-Tie #8 x 2-1/4″ Self-Drilling Square Drive Fiber-Cement Screw, Square Wafer Head – 410 Stainless Steel, Qty. 1,000

When you need a fast, precise fastening solution to secure fiber-cement board or panel overlays to steel framing without pre-drilling, this Simpson Strong-Tie F08T225WDM Self-Drilling Fiber Cement Screw delivers. Engineered with a sharp self-drilling point, a wafer-style head with self-countersinking nibs, and built from heat-treated Type 410 stainless steel, it offers reliable performance in demanding applications. Ideal for wood or panel substrates over steel studs, it brings speed, strong engagement and a clean finish.

Key Features

• Wafer Head Design: Features self-countersinking nibs under the head for a clean flush finish.
• Extended Thread Length: Threading reaches within 5/16″ of the head to improve embedment and pull-through resistance.
• Self-Drilling #3 Point: Penetrates steel without pre-drilling, designed for