Steel Flat Washer, Zinc Plated Finish, DIN 125, Metric, M5 Screw Size, 5.3 mm ID, 10 mm OD, 1 mm Thick (Pack of 100): Amazon.com: Industrial & Scientific
Steel Flat Washer, Zinc Plated Finish, DIN 125, Metric, M20 Screw Size, 21 mm ID, 37 mm OD, 3 mm Thick (Pack of 25): Amazon.com: Industrial & Scientific
20pcs) DIN 125 M52 Flat Washers (54mm ID) Type A A2 Stainless Steel, Ships Free in USA by Aspen Fasteners, ASSP01252540: Amazon.com: Industrial & Scientific
18-8 Stainless Steel Flat Washer, Black Oxide Finish, Meets DIN 125, M4 Hole Size, 4.3mm ID, 9mm OD, 0.8mm Nominal Thickness (Pack of 100): Amazon.com: Industrial & Scientific