1) name: DIN975 threaded rod 2) Material:carbon steel 3) Grade: GR 4.8,5.8,6.8 4) Diameter:3mm-52mm 5) Length:general 1-3M , we also can produce accodrding to your requirement 6) coating:nature,zinc plating,blackening,HDC 7) other standard:DIN,B.S,U.S (you required)