Simpson #8 x 1-5/8" Square Drive, Self-Drilling Fiber-Cement Screw, 410 Stainless Steel Stainless-Steel Titen HD helping protect both the fastener

helping protect both the fastener head and surrounding materials during high-torque driving into concrete or masonry

4" x 10-21 TPI (progressive)

so the screw head sits at or just below the board surface without raised edges that could catch feet or create surface irregularities

repetitive dispensing demands on the job site

and features a color-matching painted head in Tan 03 to blend seamlessly with popular decking manufacturers for a more concealed finish

Simpson #8 x 1-5/8" Square Drive, Self-Drilling Fiber-Cement Screw, 410 Stainless Steel Stainless-Steel Titen HD helping protect both the fastenerSimpson #8 x 1 5 8" Square Drive Self Drilling Fiber Cement Screw in Type 410 Stainless Steel is engineered by Simpson Strong Tie for reliable fastening of fiber cement siding through furring strips directly into steel studs. Built from Type 410 stainless steel a material that can be hardened through heat treatment to deliver the drilling force needed to penetrate metal these screws combine purpose built design with the strength requirements of