Pack of 25 sleeve nuts M8 x 16 with countersunk head and hexagon socket, stainless steel A1 : Amazon.de: DIY & Tools
X-DREE M8 Gewinde 80mm Langer Senkkopf Flachkopf-Dehnanker 6-tlg(Bullone di ancoraggio ad espansione testa piatta svasata lunga 80 mm con filettatura M8 6 pz : Amazon.de: DIY & Tools
Amazon.com: Lon0167 M8 x 1.378 in 10,9 grado cabeza avellanada plana hexagonal perno de rosca izquierda (M8 x 1.378 in 10,9-Grad-Senkkopf mit Innensechskant Linksgewinde : Industrial y Científico