... 2.Size:M6-M8 3.Material:65# manganese steel or carbon steel 4.Finish:Yellow/White We can design and ... in total;2) Material: iron, carbon steel, stainless steel, brass, copper, alloy steel, aluminum, cold rolled steel with various plating; 3) Surface treatment ... : kinds of plating (Zinc, Nikel, Chrome, Tin, Ag); Painting, Powder ...