SPAX Facade screws are the ultimate screw for wooden facades, giving a professional invisible finish. Only Spax have patented features including a Spax cut head with ground serrations and countersink ribs for ultimate driving power without splitting the wood. The milling head gives a clean, flush sinking of the screw head for the best possible visual and practical results. Wirox surface with high protection against corrosion, it is free from chromium-vi and therefore is more environmentally friendly that other surfaces. The fixing thread at the top of the screw permits a safe and permanent connection of the wood parts. The cut point head gives precision placement allowing screwing without pre-drilling, as well as effectively reducing the splitting of the wood. Features & Benefits • Cutting ribs help the head countersink into wood easily • No pre-drilling required even in hard woods • Ultimate holding power • Hard synthetic coating for easy driving • Deeper recess in screw-head for a stronger bit hold Specifications • Diameter: 4.5mm • Length: 50mm • Quantity: 200