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
Bolt Base 10mm White Nylon Flat Form A Washers Plastic Washer Natural DIN 125 M10 - 10: 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
500pcs) DIN 125 M10 Flat Washers (10.5mm ID) Type A AISI 316Ti Stainless Steel, Ships Free in USA by Aspen Fasteners, ASSP01254571105: Amazon.com: Industrial & Scientific