... is acceptable professional manufacturer over 10years Product NameNickel hardware connection bolts and nuts screwMaterialsIron, aluminum, steel, copper, plastic, carbon steel, nylon, ... Nickel, Zinc, Black Oxide, QPQ,electroplating, spraying, and painting and so on.PackingWooden box, or as per the customer’ ... Shear Machine1set Hobbing machine11sets Nickel hardware connection bolts and nuts screw