M12 Stainless Steel Washer A2 Large (Pack of 10) Flat Width Round Stainless Steel for Screws - Stainless Steel A2 Certified Standard ISO 7093 DIN 9021 M12 (13mm x 37mm) : Amazon.de: DIY & Tools
Amazon.com: The Hillman Group 45350 M20 Metric Stainless Steel Flat Washer, 10-Pack : Industrial & Scientific
Pack of 10 Washers / Side Washers Wide Large DIN 9021 Stainless Steel V2A M3/M4/M5/M6/M8/M10/M12/M14/M16 / EHK Connection Technology : Amazon.de: DIY & Tools