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Rock-On No. 9 X 2-1/4 in. L Star Flat Head Serrated Cement Board Screws – No. 23520

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Rock-On No. 9 X 2-1/4 in. L Star Flat Head Serrated Cement Board Screws – No. 23520

Rock-On No. 9 X 2-1/4 in. L Star Flat Head Serrated Cement Board Screws – No. 23520

In Stainless Steel Fasteners
$17.99 $14.39

SKU: USDU11831990239
Availability: In stock

Description Features: Backer-On Rock-On 2-1/4 in. cement board screws are designed for attaching Hardie Backer or equivalent fiber cement backerboard to wood or light gauge steel studs. Backer-On Rock-On patented serrated head design countersinks for flush seating at any angle, providing a smooth surface for tile. The Star drive recess with T-25 bit provides Stikfit for 1-handed installation. Backer-On Rock-On screws feature a Climacoat corrosion resistant finish that prevents rust from bleeding into grout and are perfect for use in high moisture areas such as baths, showers, countertops and floors. Conforms to ANSI A108.11 for cement board attachment. Backer-On Rock-On screws can be installed with a standard impact or drill/driver and T-25 Star drive bit for cement board fastening done right. Features and Specs: Patented sharp point offers immediate pick-up and eliminates the need to pre-drill Patented design allows attaching close to edge on cement board, reducing fractures or blow outs Serrated thread forms require less torque for faster installation

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