Specifically designed for fixing cement board steel dry-lining frames (max. 3.0mm). Self countersinking head for a secure and flush finish. Self-drilling point with a self-tapping 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 Self-drilling point for fixing to light section steel (Max. 3mm) Ribs under the head for improved countersinking Fire Classification - A1 Goods dispatched same day if ordered by 2 pm (Weekdays only) A VAT Invoice will be sent with the goods Delivery / Postage is to UK mainland addresses only.