Amazon | Steel Flat Washer, Zinc Plated Finish, DIN 125, Metric, M8 Screw Size, 8.4 mm ID, 16 mm OD, 1.6 mm Thick (Pack of 100) by Small Parts | 平座金 | 産業・研究開発用品 通販
10000 pcs) M3, DIN 125 Type A/ISO 7089-7090, Metric, Standard Flat Washers, A2 Stainless Steel: Amazon.com: Industrial & Scientific
13000pcs) DIN 125 M3 Flat Washers (3.2mm ID) Type A A4 Stainless Steel, Ships Free in USA by Aspen Fasteners, ASSP0125432: Amazon.com: Industrial & Scientific