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Backer-On #9 x 1-14 in. Star Drive Serrated Head Cement Board Screws (750-Pack) 23505
Backer-On #9 x 1-14 in. Star Drive Serrated Head Cement Board Screws (750-Pack) 23505
Backer-On #9 x 1-14 in. Star Drive Serrated Head Cement Board Screws (750-Pack) 23505
Backer-On #9 x 1-14 in. Star Drive Serrated Head Cement Board Screws (750-Pack) 23505
Backer-On #9 x 1-14 in. Star Drive Serrated Head Cement Board Screws (750-Pack) 23505
Backer-On #9 x 1-14 in. Star Drive Serrated Head Cement Board Screws (750-Pack) 23505
Backer-On #9 x 1-14 in. Star Drive Serrated Head Cement Board Screws (750-Pack) 23505
Backer-On #9 x 1-14 in. Star Drive Serrated Head Cement Board Screws (750-Pack) 23505
Backer-On #9 x 1-14 in. Star Drive Serrated Head Cement Board Screws (750-Pack) 23505
Backer-On #9 x 1-14 in. Star Drive Serrated Head Cement Board Screws (750-Pack) 23505
Backer-On #9 x 1-14 in. Star Drive Serrated Head Cement Board Screws (750-Pack) 23505
Backer-On #9 x 1-14 in. Star Drive Serrated Head Cement Board Screws (750-Pack) 23505
Backer-On #9 x 1-14 in. Star Drive Serrated Head Cement Board Screws (750-Pack) 23505
Backer-On #9 x 1-14 in. Star Drive Serrated Head Cement Board Screws (750-Pack) 23505
Backer-On #9 x 1-14 in. Star Drive Serrated Head Cement Board Screws (750-Pack) 23505
Backer-On #9 x 1-14 in. Star Drive Serrated Head Cement Board Screws (750-Pack) 23505
Backer-On #9 x 1-14 in. Star Drive Serrated Head Cement Board Screws (750-Pack) 23505
Backer-On #9 x 1-14 in. Star Drive Serrated Head Cement Board Screws (750-Pack) 23505

Backer-On #9 x 1-14 in. Star Drive Serrated Head Cement Board Screws (750-Pack) 23505 49194777

USD $11.00

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Backer-On #9 x 1-14 in. Star Drive Serrated Head Cement Board Screws (750-Pack) 23505
11.00
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Backer-On Rock-On 1-1/4 in. Cement Board Screws are designed for attaching HardieBacker or equivalent fiber cement backerboard to wood or light gauge steel studs. Backer-On Rock-On's 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 (included with product) for cement board fastening done right.

Serrated head design for flush seating even at an angle

Star drive with T-25 bit provides Stikfit for easy 1-handed installation and eliminates cam-outs

Patented sharp point offers immediate pick-up and eliminates the need to pre-drill

Serrated thread forms require less torque for faster installation

Patented design allows attaching close to edge on cement board， reducing fractures or blow outs

Premium corrosion resistant finish

Use to attach cement board to wood or light gauge steel studs

Conforms to ANSI A108.11 standards for cement board attachment

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