Stop nut M8 with metal clamp section for belt tensioner

similar to DIN 980 form V, M 8 x 1.25, height: 7 mm, SW 13, galvanized Alfa Romeo Mito, Giulietta Fiat Spider 124, 500, 500L, 500X, Brava, Croma, Elba, Duna, Grande Punto, Idea, Linea, Marea, Mille, Panda, Palio, Stilo, Termpra, TIPO EGEA, oldtimers, Ducato, Scudo, Doblo, Fiorino