Developed for use with low rotational speeds of up to 1,000 RPM-Particularly suitable for the deburring and cleaning of pipes, threads, coupling sleeves and cylinders. In addition to the thread, tube brushes up to 20 mm have a shank allowing them to be clamped into 6 mm collets. Tube brushes with 3/8 threads are also equipped with a shank of 10 mm.