Simpson Strong-Tie #8 x 1-5/8" Self-Drilling Square Drive Fiber-Cement Screw, Square Wafer Head - 410 Stainless Steel, Qty. 1,000 LGUM/HGUM Masonry Girder Hangers Each screw features a 1/4"

Each screw features a 1/4" hex head with an integrated washer stamped for easy post-installation inspection

Pin and head configuration is designed to make anchor tamper-resistant

Use in cracked and uncracked concrete

If installing into engineered wood or dense lumber

This will only fit a post that measures an actual 10x10"

Simpson Strong-Tie #8 x 1-5/8" Self-Drilling Square Drive Fiber-Cement Screw, Square Wafer Head - 410 Stainless Steel, Qty. 1,000 LGUM/HGUM Masonry Girder Hangers Each screw features a 1/4"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 F08T162WDM 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