DIN 934 / ISO 4032/4033 Professional Hexagonal Nut Standard Thread Class 10 Galvanised Steel DIN934 Professional 6 Carat Nut RGW K10 VZ SGH - M12 (Pack of 30) : Amazon.de: DIY & Tools
(10 pcs) M12-1.25, DIN 934 / ISO 4032, Metric, Hex Finished Nuts, Left-Hand Thread, Class 6 Steel, Plain: Amazon.com: Industrial & Scientific