Amazon.com: Wing Nut, DIN 315 50Pcs Stainless Steel Nuts Easy Installation Standard Size for Automobiles for Industrial Equipments(M6) : Industrial & Scientific
Circlip for shafts stainless steel A2 DIN 471 : Amazon.de: DIY & Tools
50Pcs Wing Nuts DIN 315 Stainless Steel Butterfly Wing Nuts Fasteners Parts Replacement for Automobiles(M10): Amazon.com: Industrial & Scientific
200pcs) DIN 471 M20X1.2 Retaining Rings for Shafts Stainless Steel, Ships Free in USA by Aspen Fasteners, ASSP0471220: Amazon.com: Industrial & Scientific
18mm External Circlips (DIN 471) - Stainless Steel: Accu.co.uk: Hardware