M5 x 80 Green Decking Screw (100/Box)

M5 x 80 Green Decking Screws for reliable board-to-joist fixing in hardwood, softwood, and treated timbers. Each screw is manufactured from Ruspert-coated steel, featuring a durable three-layer metallic coating of zinc, film, and ceramic. This advanced finish offers excellent corrosion resistance and a subtle, low-visibility appearance that complements the colour of treated softwood decking and garden structures.The countersunk head draws boards tight for a flush, professional finish with reduced movement and creak, while the diameter improves shear capacity and thread engagement,Thick gauge supports heavy fixings in joists, beams, and frames.