300pcs) DIN 6926 M8 Self-Locking Hexagon Flange Nuts with Serration A2 Stainless Steel, Ships Free in USA by Aspen Fasteners, ASSP692628: Amazon.com: Industrial & Scientific
10 Stück M8 Flügelmuttern Edelstahl ähnlich DIN 315 - amerikanische Form - VA A4 V4A : Amazon.de: Baumarkt