M12 External Tooth Washers (DIN 6797A) - A2 Stainless Steel External Tooth Washers feature multiple angular blades which rotate in one direction, these are made to reduce any loosening after installation. These are often manufactured with high precision machinery. These External Tooth 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. M12 External Tooth Washers (DIN 6797A) - A2 Stainless Steel