Expansion mechanical anchor, male thread, for concrete element

Safety expansion mechanical anchor, galvanized steel, M8x75 -/10, 8 mm diameter and 75 mm length, inserted in a 9 mm diameter and minimum 65 mm deep hole, made by drilling with percussion hammer and drill bit, on cracked or uncracked element, of concrete with 20 N/mm² minimum characteristic strength and 50 N/mm² maximum characteristic strength.