M3 Mutter Sechskantmutter (Pack of 10) Hexagonal Nut Nuts Zinc Plated Alloy Steel For Threaded Screws Zertifizierter Stahl Standard DIN 934 ISO 4032 (3mm) : Amazon.de: Baumarkt
Steel Hex Nut, Plain Finish, Class 6, DIN 934, Metric, M2.5-0.45 Thread Size, 5 mm Width Across Flats, 2 mm Thick (Pack of 100): Amazon.com: Industrial & Scientific