... Diameter: M3--M64 3). Length: as customer's needs 4). Standard: DIN975/976 1)Standard: ANSI/ASTM, DIN, and ... BS 2)Property class: 4.8, 5.8 and 8.83)Material:carbon steel, ... of this kind of threaded rod: Grade3.6,4.6,4.8,5.6,6.8,8.8,9.8 ... Roundess0.002mmCylindricity0.003mmRoughnessRa0.32Straightness0.01/200mm DIN975 Zinc plated grade 4.8 M20 full thread rod,all thread rod anchor ...