Amazon.com: 10 M14-2.0 Hexagon Flange Nut - with Serrations Class 8 Zinc. DIN 6923 : Industrial & Scientific
Amazon.com: 50 M6-1.0 Hexagon Flange Nut - Non Serrated Class 8 Zinc. DIN 6923 / ISO 4161 : Industrial & Scientific
400pcs) DIN 6923 M6 Hexagon Flange Nuts Without Serration A4 Stainless Steel, Ships Free in USA by Aspen Fasteners, ASSP6923406: Amazon.com: Industrial & Scientific
Amazon.com: 25 M10-1.5 Hexagon Flange Nut with Serrations Class 10 Zinc DIN 6923/ISO 4161 : Industrial & Scientific