Built for heavy-duty timber construction, these hex drive structural timber screws are designed to deliver exceptional strength, reduced drive torque, and long-term corrosion resistance in demanding environments. Ideal for structural timber connections, landscaping builds, pergolas, sleepers, fencing, and load-bearing applications, these screws provide a powerful alternative to traditional coach screws and bolts — without the need for time-consuming pre-drilling in most timbers. Key Features & Benefits 6.7mm Heavy-Duty Shank Engineered for structural applications where strength and reliability matter. Suitable for timber-to-timber connections under load. Hex Head Drive (5/16") Provides strong, positive engagement with minimal cam-out, allowing high torque transfer and fast installation. Type 17 Cutting Point Reduces splitting and lowers driving resistance. In most softwoods and many hardwoods, no pre-drilling is required, saving time on site. Serrated Milling Thread Specially designed to reduce torque while cutting cleanly through timber fibres for smoother driving and improved clamping performance. ACQ Resistant Coating Suitable for use with modern pressure-treated timbers. Up to 1000 Hour Salt Spray Resistance High corrosion resistance makes these ideal for outdoor and exposed applications. Supplied With Driver Bit Each box includes a 65mm 5/16" hex socket driver bit, ensuring correct fitment and easy application straight out of the box. Available Options Supplied individually Supplied in boxes of 50 Typical Applications Structural timber framing Decking subframes Timber sleeper projects Pergolas and garden buildings Fencing structures Heavy-duty landscaping work When strength, speed, and corrosion resistance are essential, these structural timber screws provide a dependable fixing solution for professional and serious DIY projects alike.
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