... rod 1.High quality raw material 2.Different size can be selected 3.Fast delivery time Threaded rod Specification:1.Standard:DIN976 2.Class:Grade4 ... .8,5.8,8.8 ,10.9,12.9 3.Surface: Plain,Black,Zinc ... , HDG, Black 4.Length:100mm-5000mm5.Material: Mild Carbon Steel, High Carbon Steel(35K,45K,40CR,B7)6.Size:M3-M527 ...