Backer-On Rock-On 23515 #9 x 1-5/8" Pro Pack Star Drive Serrated Head Cement Board Screws (575/Pack)
Backer-On Rock-On 1-5/8" cement board screws (575 pack) are the premier fastening solutions for installing cement boards. The patented serrated head design countersinks for flush seating at any angle, providing a smooth surface for tile installation. The star drive recess combined with Stikfit bit supports easy one-handed installations and eliminates cam outs. The premium corrosion resistant finish prevents rust from bleeding into grout, making Backer-On Rock-On screws the perfect choice for use in high moisture areas such as bathrooms and kitchens.
Features
- Serrated head design for flush seating even at an angle
- Star drive with T-25 bit provides StikfitTM for easy 1-handed installation and eliminates cam-outs
- Serrated thread forms require less torque for faster installation
- 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
- 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
Specifications
- Length: 1-5/8"
- Diameter: #9
- Coating: Climacoat
- Material: Zinc
- Color Family: Green
- Head Type: Serrated
- Drive Type: 6-Lobe (Star Drive)
- Drive Size: T25
- Point Type: Self Drill
- Thread Size: 9.8 Threads per Inch
- Thread Type: Hi-Lo
- Compatible Material: Cement Board to Wood
- Package Quantity: 575