Simpson Strong-Tie #8 x 1-5/8" Self-Drilling Square Drive Fiber-Cement Screw, Square Wafer Head - 410 Stainless Steel, Qty. 100 HD/HDB Holdowns Dual Thread Design: Cuts deep

Dual Thread Design: Cuts deep and holds strong without anchors or sleeves

Type 316 stainless steel - for maximum corrosion resistance in tough outdoor conditions

Finished in a durable gray paint

Keep your Quik Drive System running smoothly by replacing the mandrel and other parts when necessary

25-R100CFS utility clip features a G90 Galvanized finish for added corrosion resistance and requires the use of hot-dip galvanized fasteners which meet the specifications of ASTM A153

Simpson Strong-Tie #8 x 1-5/8" Self-Drilling Square Drive Fiber-Cement Screw, Square Wafer Head - 410 Stainless Steel, Qty. 100 HD/HDB Holdowns Dual Thread Design: Cuts deepWhen 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 F08T162WDC 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