namer: stainless steel bolt material:carbon steel,stainless steel,alloys,copper,aluminum etc. certifiction: ISO9001:2008 name: ... boltMaterial: Brass, Bronze, Carton steel, Stainless steel, Aluminum alloy, etcSurface Treatment: Chrome plating, Silver plating, Zinc ... Descripion Item nameStainless steel bolt Materials Brass, Bronze, Carton steel, Stainless steel, Aluminum alloy, etcCold plate,stainless ...