... 975, grade: 4.8, 8.8, 10.9 etc. size: M3-M52 stainless steel Threaded rod DIN 9751.Standard:DIN975 ,BS,ASTM ... 2.Size:M3-M52 3.Class:Grade4.8,5.8,8.8 ,10.9 ... ,5.8,8.8 ,10.9,12.9 3.Size:M3-M52 4.Length:1000mm-3000mm 5.Material: Mild Carbon Steel, Stainless ...