AQUAPANEL Maxi screws are specially designed for fastening AQUAPANEL Cement Board Outdoor to metal and wooden substructures. Shank with a pointed tip and drill bit with countersunk head.The length of the bolt is L = 39 mm and it is sufficient to coat the metal scaffolding together. The screws have anti-corrosive surface protection, Climate X1, which guarantees a corrosion resistance of 1500 hours, tested by exposure to saline mist. Consumption: 15 pcs / m2, grid axle spacing 600/625 mm Packaging: AQUAPANEL maxi screws 500 pcs / pack.For fastening the AQUAPANEL Cement Board board to metal and wooden substructures.