Acorn Nuts (Self-Locking) - M8 - (Pack of 100) - DIN 986 - Hexagonal Cap Nut with Clamp Part - Stainless Steel A2 (V2A) - SC986 | SC Standard Parts : Amazon.de: DIY & Tools
Hex Jam Nuts A2 Stainless Steel - 12M x 1.75 (19M Flats x 5.7M Thick) Qty-25: Amazon.com: Industrial & Scientific
Hutmutter M12 x 1.5Chrom 2 Stück : Amazon.de: Baumarkt