Drywall Cement Board Screws Twin Cut Point Wafer Countersunk - Hi-Low Thread Exterior Plus Grey Coating Fibre Backer Board Timber Stud Phillips Head (200, 4.2 x 25mm)

• Specifically designed for fixing cement board to timber and thin sheet metal (max. 0.6mm). Self countersinking head for a secure and flush finish.
• Twin-cut point with a hi-low thread. Exterior grade coating for superior corrosion resistance in damp or corrosive environments, when compared to standard fasteners.
• Organic plating withstands 1,500 hours in salt spray test
• Fixing to timber and thin sheet metal (max. 0.6mm)
• Twin-cut for rapid “pick-up” and reduce torque
• Ribs under the head for improved countersinking

These 4.2 x 25mm Cement Board Screws are specifically designed for fixing cement-based boards, tile backer boards, and fibre cement sheeting to timber and light steel (up to 0.6mm thick). With a sharp twin-cut point and high-low thread design, these drywall to cement board screws offer fast, accurate insertion with reduced driving torque — making them ideal for professional construction, bathroom tile board installation, and general building applications. The self-countersinking wafer head includes under-head ribs for a flush, clean finish in cementitious boards, plasterboard, and tile backers. These corrosion-resistant screws are coated for superior durability, tested to withstand 1,500 hours in salt spray environments — ideal for wet areas like kitchens, bathrooms, utility rooms, and exterior sheathing projects. Perfect for use with Hardie board, tile backer boards, and other cement sheeting materials. Also available in 32mm and 42mm sizes. Self-drilling options available. Finish may vary. Choose these heavy-duty cement board screws for strength, speed, and long-lasting performance in high-moisture and demanding construction environments.