The Timco A4 Stainless Steel Timber Frame Screws provide a superior alternative to traditional coach screws, designed specifically for timber-to-timber applications. Crafted from A4 (316) austenitic stainless steel, these screws offer ultimate corrosion resistance, making them ideal for external applications and corrosive environments, including projects involving green oak or other materials with corrosive characteristics. Key Features: Hex head countersunk with fixed washer for a flush finish and secure fastening Helix shank design clears debris during installation and improves clamping force 50° deep single thread ensures high pull-out resistance and a secure fixing Single slash point reduces torque requirements and minimises timber splitting risk near edges 25° sharp point with single lead thread enables fast starts and improved thread acceptance Technical Specifications: Thread diameter: 6.7mm Length: 150mm Thread length: 52mm Head type: Hex (external hex recess, 8mm socket size) Point type: 25° sharp point with single slash Suitable for: Landscaping, timber frame construction, external joinery and other demanding applications where corrosion resistance is essential.