20pcs) DIN 982 M24 Self-Locking Hexagon Nuts, High Type A2 Stainless Steel, Ships Free in USA by Aspen Fasteners, ASSP0982224: Amazon.com: Industrial & Scientific
Mutter - Sechskantmutter M14 x 1,5-8-A4K (DIN 985) - Feingewinde, selbstsichernd : Amazon.de: Baumarkt