General description Designed as an alternative to traditional coach screws, these TIMCO Wafer Head Exterior Green Timber Screws are ideal for timber to timber applications. The wafer head design provides improved clamping and a low profile finish, making them suitable for various outdoor projects. Technical specifications Dimensions: 8.0 x 350 mm Corrosion resistance: Coated with a patented multi-layer corrosion resistant plating Salt spray resistance: Withstands 1,000 hours in salt spray tests