... or aluminum screw and nut,decorative screws and nuts,nut bolt and screw,acme screw nut precision stainless or aluminum ... Nameprecision stainless or aluminum screw and nut,decorative screws and nuts,nut bolt and screw,acme screw nutBrand ... NameJIA CAIMaterialStainless steel, iron, copper, aluminium ,carbon steel, etcFinishzinc plated steel, natural color ...