M20 Wood & Decking Washers (DIN 1052) - A2 Stainless Steel Flat washers are used to increase the surface area of the fastener and therefore distributing the force more evenly across the fastened surface. Flat Washers can also be used as Spacers due to them being flat on both sides. These Flat Washers are made from A2 Stainless Steel which provides corrosion and oxidation resistance. For larger quantities or items not listed, please email and one of our team will provide you with a quotation. M20 Wood & Decking Washers (DIN 1052) - A2 Stainless Steel