QWORK 500PCS/Pack 35mm Diameter Galvanized Steel Washers with Six Holes, Easy Fix Corrosion Resistant Washers for Insulation Boards, Plasterboard and Tiles

insulation plates ensure generous coverage for extensive assembly work. Optimal size: with a diameter of 35 mm, the washers are ideal for securely fixing various panel materials. Durable material: made of galvanized steel, the washers ensure high resistance to corrosion and wear. Scientific design: scientifically designed, they increase the contact area and protect against surface damage due to load distribution. Versatile application: perfect for attaching insulation and building panels to floors and walls in a wide variety of construction projects.