Obex Cortex FR - Screws for Cement Boards - 4.2mm x 32mm (Box of 500)

OBEX Cortex Self-Drilling Cement Board Screws are ideally used to Obex Score’N’Snap cement boards to steel framing systems.  Designed with superior durability and efficiency in mind, these screws are ideal for both internal and external sheathing board applications. Key Features: OBEX Cortex Technology: Specifically engineered to fix and secure the Cortex Class A1 cement board to steel frames. Class A1 Fire Resistance: Meets the stringent requirements of the EN 1364-1 fire resistance test, providing unparalleled safety and reliability in critical applications. The fixings were used as part of the EN 1364-1 fire resistance test, along with the Cortex Board and Cortex Board Sealant to achieve a 60 min & 120 min fire rating. Superior Corrosion Resistance: Made from high-quality carbon steel with an exterior-grade coating, these screws offer exceptional resistance to corrosion, even in damp and corrosive environments. Ease of Use: The self-drilling feature of the Cortex board screws ensures quick and effortless installation, reducing labor time and increasing efficiency. Moisture and Frost Resistance: Designed to withstand moisture and frost, ensuring long-lasting performance and durability in various environmental conditions. Complete System Integration: These fixings are part of the comprehensive OBEX Cortex system, which includes board jointing tape and the Cortex board sealant, ensuring a secure and seamless installation. Applications: Ideallly used to fix and secure Obex Score’N’Snap cement boards to steel framing systems