Hot rolled bars with wide pitch helical threaded bosses.
Hot rolled bars with wide pitch helical threaded bosses.
They are produced in nominal diameters of 19 mm, 22 mm, 25 mm and 32 mm; and in lengths of 9 and 12 meters. Other lengths are also available upon request. They are supplied in 1 ton packages.
They allow the control of subway and surface instabilities, as a reinforcement element. They are applied in mining and civil projects, due to their design and functionality advantages in the control of rock mass instabilities.
Chemical composition and mechanical properties, according to ASTM A615 Grade 75.