Timco- Cement Board Screw S/DRILL EXT 4.2 x 42 Box 200

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 • Fire Classification - A1