General description Designed as an alternative to traditional coach screws, 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: 6.7 x 150 mm Coating: Patented multi-layer corrosion resistant plating Corrosion resistance: Withstands 1,000 hours of salt spray