M16 Mutter Sechskantmutter (Pack of 10) Hexagonal Nut Nuts Zinc Plated Alloy Steel For Threaded Screws Zertifizierter Stahl Standard DIN 934 ISO 4032 (16mm) : Amazon.de: Baumarkt
Ganter Standard Elements GN 717 3 M6 AK Stainless Steel Locking Bolt, Silver, GN 717-3-M6X0, 75-BK-ST: Amazon.com: Industrial & Scientific