What is a timber screw? Timber screws have durable epoxy coating for pressure treated lumber. Hex head timber screws have special locking thread at finish with wide spread wood screws threads below that provides a full 3 inches hold in wood. With self -piercing point and saw tooth timber screws easier to enter wood. What is the difference between timber and wood screws? What Are Wood/Timber Screws? Timber screws are screws specially designed for use in timber or wood-based materials. They are typically longer and thicker than traditional screws, with a tapered shank and a wide, deep thread that provides enhanced holding power in wood. Can you use timber screws in metal? In short, wood screws are designed to be driven into wood materials, while metal screws are designed to be driven into metal materials (hence the names). If you're attempting to attach sheet metal, you should choose metal screws. Can you use timber screws in metal? In short, wood screws are designed to be driven into wood materials, while metal screws are designed to be driven into metal materials (hence the names). If you're attempting to attach sheet metal, you should choose metal screws. Key Features Fast installation — no predrilling, no counterboring, no heavy-duty equipment needed Greater withdrawal resistance than spikes Patented SawTooth point for fast starts and less driving torque — without predrilling Heavy-duty 0.276"-diameter shank provides strength Large 0.650"-diameter flat washer head with nibs provides load-bearing area and seats flush with surface Deep T50, 6-lobe recess for secure driving Type 316 stainless steel provides corrosion resistance even in severe conditions Mid-shaft knurl aids in torque reduction Available in 3", 4", 5", 6", 8", 10" and 12" lengths Applications Structural wood-to-wood and engineered-wood connections in coastal or severe corrosion environments. Typical applications include piers, boardwalks, wharves and ledgers. Website : Stay turned Cheers