General description Designed as an alternative to traditional coach screws, TIMCO Wafer Head Exterior Green Timber Screws are ideal for timber-to-timber applications. These screws feature a wafer head for improved clamping and a low-profile finish, making them suitable for various projects including decking, stairs, fencing, roofing, and landscaping. Technical specifications Gauge: 8.0 mm (widest part of thread) Length: 250 mm (from underneath head) Head: 21 mm diameter flanged wafer head with T40 torx drive Coating: Patented multi-layer corrosion resistant plating Salt spray resistance: 1,000 hours (minimum) Thread: 50-degree deep single thread for secure fixing with high pull-out resistance Point: 25-degree sharp point for easier penetration into all wood types Usage Ideal for screwing warped timbers together Effective for fixing timber sleepers Suitable for various timber applications including decking, stairs, fencing, roofing, and landscaping Other information