Amazon | Steel Hex Nut, Plain Finish, Class 6, DIN 934, Metric, M2-0.4 Thread Size, 4 mm Width Across Flats, 1.6 mm Thick (Pack of 100) by Small Parts | 六角ナット | DIY・工具・ガーデン 通販
Hexagonal Nuts DIN 934 / M3 / Material: Galvanised Class 8 / Hexagonal Nut Pack of 10 : Amazon.de: DIY & Tools