Simpson #8 x 1-5/8" Fiber-Cement Screw, 316 Stainless Steel Mortiser A custom-matched nut driver is

A custom-matched nut driver is recommended to set the anchor to its optimal depth

A complete decking-specific design in one fastener - the combination of checkered head

Manual feed is also available

smooth head and a 9-gauge shank

12/6 designed to support

Simpson #8 x 1-5/8" Fiber-Cement Screw, 316 Stainless Steel Mortiser A custom-matched nut driver isSimpson #8 x 1 5 8" Fiber Cement Screw in Type 316 Stainless Steel is engineered by Simpson Strong Tie specifically for attaching fiber cement siding to wood framing and structural panels. Built from Type 316 stainless steel, this fastener resists corrosion in demanding outdoor and moisture exposed environments, making it a reliable choice for long term exterior cladding applications. The combination of a self countersinking wafer head, aggressive