Metal threaded rod 1.High quality raw material 2.Different size can be selected 3.Fast ... ,5.8,8.8 ,10.9,12.9 3.Surface: Plain,Black,Zinc plated,HDG 4.Length:100-5000m Details:1 ... : Zinc Plated (CR3, CR6), Galvanized, Plain, HDG, Black 4.Length:100mm-5000mm5.Material: Mild Carbon Steel, High Carbon Steel(35K,45K,40CR ...