thread bars 1.Siz: M6- M24 2 Material: Carbon steel 3 Grade:4.8, 5.8, 6.8, 4 Standards: DIN 975 threaded rodWe can offer the following specifications of threaded rods. Material: Low carbon steel, mild carbon steel Standards: ISO, DIN 975, ANSI, JIS, GB, BS, etc Grade: 4.8, 5.8, 6.8, 8.8, 10.9 B7 Diameter: M4-M52, 1/4" to 2" Length: 1 meter to 3 meters (routine), according to the customers' ...