No. 9 X 1-5/8 In. L Star Flat Head Serrated Cement Board Screws
Description
Backer-On Rock-On cement board screws are engineered for reliable fastening in cement board installation and general construction applications. These No. 9 x 1-5/8 inch screws feature a star drive and flat head design that delivers a flush, professional finish while minimizing the risk of cam-out and stripping. The self-drilling and self-tapping design eliminates the need for pre-drilling, saving time on the job.
Serrated threads grip materials securely, keeping your installation strong and stable over time. A zinc-plated finish provides enhanced corrosion resistance for both indoor and outdoor use. The bulk 140-piece pack supplies ample fasteners for larger projects and professional applications.
Features and Benefits
- Star Drive Design: Provides a secure grip and reduces the risk of stripping.
- Flat Head Profile: Sits flush with the surface for a clean, finished appearance.
- Self-Drilling and Self-Tapping: Designed to penetrate materials easily without pre-drilling.
- Serrated Threads: Superior holding power ensures your installations remain secure.
- Zinc-Plated Finish: Enhanced corrosion resistance for durability in indoor and outdoor applications.
- Bulk Pack: 140 screws per package for larger projects.
Specifications
- Brand: Backer-On
- Model: 23510
- Size: No. 9 x 1-5/8 inches
- Head Style: Star flat head
- Thread Type: Serrated
- Finish: Zinc-plated
- Pack Quantity: 140 screws
- Self-Drilling: Yes
- Self-Tapping: Yes