POWERTEC Cement Screws #8 x 1-5 /8″, Ruspert Coated Concrete Screws with T25 Torx Star Drive Bit - High-Low Thread Masonry Screws for Cement Board, Concrete & Brick, 150-Pack (72318)

Features

• HIGH-LOW THREAD DESIGN FOR SUPERIOR HOLDING POWER: Engineered with deep highlow threads that bite aggressively into pre-drilled holes, these cement screws maximize surface contact for stronger anchoring in concrete, brick, block, and masonry materials.
• T25 STAR DRIVE FOR MORE TORQUE & ZERO CAM-OUT: Features a T25 Torx head that delivers higher torque transfer and prevents stripping, solving the common issue of slipping found with Phillips or slotted fasteners. Includes a matching T25 1/4" hex shank bit for immediate use.
• RUSPERT COATING FOR EXTREME RUST RESISTANCE: Protected with a durable Ruspert anti-corrosion finish that passes 1000-hour salt spray testing, making these screws ideal for both interior and exterior installationsincluding high-moisture job sites.
• SERRATED UNDERHEAD RIBS FOR FLUSH, TIGHT SEATING: Designed with serrations beneath the screw head to pull material tight and ensure a clean, flush fit. Perfect for cement board installation, framing over masonry, and light-duty structural applications.
• DURABLE C1022 STEEL FOR CONSISTENT, RELIABLE PERFORMANCE: Manufactured from C1022 low-carbon steel for improved toughness and ductility, reducing breakage during installation. Recommended for use with pre-drilled 5/32" (4mm) holes in concrete or masonry for best results.