Specifically designed for fixing cement board to timber and thin sheet metal (max. 0.6mm). Self countersinking head for a secure and flush finish. Spoon tip with a hi-low thread. Exterior grade coating for superior corrosion resistance in damp or corrosive environments, when compared to standard fasteners. • For fixing cement board to timber. • Hi-Lo thread. • Double cutting point. • Grey Ruspert 1500 hours. • Flat head. • Phillips compatible recess. • Phillips bit included in every box.