#8-18 x 1-5/8 in. Phillips Flat-Head Fine-Thread Self-Drill Ruspert-Coated Fiber Cement Board Screw w/ Nibs (4,000 Pack) | STP-FB815R

Strong-Point's #8-18 x 1-5/8 in. Phillips Flat-Head Fine-Thread Self-Drill Ruspert-Coated Fiber Cement Board Screw w/ Nibs are commonly used in siding, trim, and panel installation projects where durability and precision are critical. The Phillips drive ensures smooth engagement with standard drivers, reducing cam-out and improving installation speed. Bulk packaging supports high-volume projects while maintaining consistent quality across all fasteners. These screws provide reliable long-term performance in both residential and commercial construction applications.

• Designed for fiber cement, wood, and composite board installation
• The fine-thread profile maximizes holding power and prevents material splitting
• A self-drilling point eliminates the need for pre-drilling in many cases
• Flat-head design allows the screw to sit flush for a professional finish
• Ruspert coating provides superior corrosion resistance in exterior applications