Exterior-Grade Wafer Head Screws for Timber Frames and Landscapin TIMCO Wafer Head Exterior Screws are designed for heavy-duty timber frame construction, landscaping, and outdoor joinery projects. The large diameter wafer head provides superior clamping power, helping to prevent pull-through on sheet materials. A sharp point and coarse thread ensure rapid starting and strong holding power in softwoods and treated timbers. Finished with a green organic coating, these screws deliver excellent corrosion resistance, making them ideal for long-lasting exterior applications. Key Features & Benefits Large Wafer Head: Increases clamping area and prevents pull-through on timber and sheet materials. Exterior Coating: Green organic finish offers enhanced corrosion resistance for outdoor use. Sharp Point: Quick starting and easy penetration into timber without pre-drilling in most cases. Coarse Thread: Provides secure holding strength in softwood, hardwood, and engineered timber. Multi-Purpose Outdoor Use: Perfect for landscaping, cladding, decking frames, and garden structures. Application Areas Timber frame construction Exterior cladding and sheathing Decking subframes and joists Garden structures and fencing Landscaping and outdoor joinery Technical Specifications Head Type: Wafer Drive Type: TX (Torx) Thread Type: Coarse single thread Point: Sharp point Material: Hardened carbon steel Finish: Green organic exterior coating Use: Exterior applications, suitable for treated timber