9 x 1-5/8 in. Star Drive Screws (140-Pack)

Updated August 13, 2026

Lot number288
AuctionUltimate Savings Auction
DateAugust 20, 2026 at 6:00 PM EDT
Auction houseSpendwise Liquidations
LocationRandleman, North Carolina

Condition: Excellent Damaged?: No In Packaging?: Yes Assembly Required?: No Star Rating: 0.0 Missing Parts?: Unknown UPC: 092097235106 Model: 23510 Title: #9 x 1-5/8 in. Star Drive Screws (140-Pack) Backer-On Rock-On 1-5/8 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'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.. Star drive with T-25 bit provides Stikfit for easy 1-handed installation and eliminates cam-outs. Conforms to ANSI A108.11 standards for cement board attachment. Premium corrosion resistant finish. Serrated thread forms require less torque for faster installation. Use to attach cement board to wood or light gauge steel studs. Serrated head design for flush seating even at an angle. Patented design allows attaching close to edge on cement board, reducing fractures or blow outs. Patented sharp point offers immediate pick-up and eliminates the need to pre-drill.

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9 x 1-5/8 in. Star Drive Screws (140-Pack)

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