Torrington Brush Works offers a great selection of power driven tube or hole cleaning brushes. Our densely filled butterfly deburring brushes are designed to deburr threaded holes after tapping and can be operated from a standard drill press or portable electric drill motor. Our heavy duty tube brushes work best for power driven operation. Bristle is twisted in heavy duty 4 wire galvanized steel stems for heavy duty cleaning operations. Brushes are to be used fully chucked and not to exceed maximum free speed of 850 RPM. Please wear safety glasses when using these products.