DIN EN ISO 898-5:2012 - Mechanical properties of fasteners made of carbon steel and alloy steel - Part 5: Set screws and similar threaded fasteners with specified hardness classes - Coarse thread
Gertus 1304750 Machine Tap in Rose Box HSSE ISO 2 (6H) M3-M12 : Amazon.de: DIY & Tools
PD® Kunststoff Muttern M8 (DIN 555 / ISO 4034) | Hochwertige PA Nylon Sechskantmuttern | Hex Nut plastikmutter für Schrauben, Gewindebolzen & Gewindestangen | 25 Stück : Amazon.de: Baumarkt
Hexagon Head Screws DIN 933 - ISO 4017 Stainless Steel A4 - Aisi 316 (Stainless Steel V4A, M6 x 20 mm) Pack of 10 : Amazon.co.uk: DIY & Tools