thread rod 1.copper,brass, stainless steel,alumini 2.All size high precise 3.OEM&ODM experienced ... Full Threaded Rod1)Product Name: Threaded Rod 2)Material: Carbon Steel 3)Surface: Plain, HDG, Zinc Plating, Yellow Zinc Planting, Black ... zinc plated or as customers' demand for corrosion protection. carbon steel full threaded rod