Reyher Sechskantmuttern M6 Messing, DIN 934, Muttern, Mutter (100) : Amazon.de: Baumarkt
575 x VIGRUE DIN 933 M5 M6 Hex Screws with Thread to Head, Stainless Steel M5 M6 Screw Set, Machine Screw Nuts (DIN 934) and Washers (DIN 127, 125) : Amazon.de: DIY & Tools
Hex Jam Nuts A2 Stainless Steel - 6M x 1.0 (10M Flats x 2.9M Thick) Qty-250: Amazon.com: Industrial & Scientific