Backer-On Rock-On® Cement Board Screws Size:#9 x 1-5/8" (575-Pack) High Grade Aluminum Alloy is

High Grade Aluminum Alloy is Light

Handheld Remote

Strong enough for heavy-duty work

Heavy gauge serrated blade

The Outdoor Accents structural wood screw reduces installation time by driving easily without predrilling

Backer-On Rock-On® Cement Board Screws Size:#9 x 1-5/8" (575-Pack) High Grade Aluminum Alloy isDesigned for attaching fiberglass reinforced cement board such as Durock* and WonderBoard* to wood or light gauge steel framing. Flush seating in all cement board when angle driven Ability to attach close to edge in all cement boards without fractures or blowouts Stikfit recess for one handed driving, while eliminating cam outs and wobbling Premium corrosion resistant finish to prevent rust from bleeding into grout Why Rock On? Rock On Screws provide