Thread Rod.. 1.Material:Carbon steel,stainless steel 2.Surface:Plain,Black, ... requirement 4.Coating: Plain, Black, Yellow Zinc, Blue Zinc, HDG, Nickel, Dacromet Zinc, Mechanical Galvanized 5.Packing: Bundle package with pallets ... requiring headed bolts.We also supply thread bar,thread bolt,thread stud ,stainless steel thread rod.with pretty competitive price and good ...