IMPA BOILER TUBE BRUSH NYLON 6mm x M4 male thread

The IMPA BOILER TUBE BRUSH NYLON 6mm x M4 male thread is a type of brush typically used to clean the inside of boilers or other cylindrical objects. It is usually made of nylon bristles mounted on a metal shaft with a threaded end, which allows it to be attached to a drill or other power tool. The brush is inserted into the object to be cleaned and rotated, scrubbing the surface as it goes. Boiler tube brushes are available in various sizes and bristle materials to suit different applications.