Designed for all deck and outdoor applications. Plated for outdoor applications. With an extremely coarse thread for even greater holding power, you can depend on these decking screws to get the job done professionally. Designed for use with garden decking, the screws are equally suitable for fencing and other outdoor timber - they're hardened and green-treated for maximum durability in all weather. Pozi-compatible for higher torque levels and a reduced risk of cam-out, the countersunk head ensures a flush finish. The screws are also specially designed to accommodate the wood's natural tendency to expand and contract - you can be confident of a secure fix that'll last through the seasons. Perfect for use on decking, fencing and other outdoor jobs. Coarse thread increases holding power in decking timber. Hardened and green-treated for all-weather performance. PZ-compatible head - higher torque levels, reduced cam-out. Accommodates wood's natural tendency to expand and contract. These Forgefix single-threaded decking screws have Pozidriv heads and are specially designed, hardened and green-treated. The design of the screw helps prevent splitting the boards, and allowing them to expand and contract with the changing seasons. Used in decking applications but also suitable for exterior timber and fencing applications. The 1,000 hour green treated finish offers excellent corrosion resistance to ACQ (Alkaline Copper Quaternary) treated timber used in construction and decking. Pozidriv screw can easily be distinguished by a line embossed in the screw head at 45 degrees to the slots for the driver. Elite performance self-drilling & low-torque decking screws. These coarse single thread decking screws are designed specifically for fixing decking but are also ideal for other exterior timber and fencing uses. Hardened and green treated for maximum durability in the face of elements, these screws are made to accommodate wood's natural tendency to expand and contract.