Tube Brushes with Shank-Double Spiral （BRASS WIRE） 1. UNION Tube Brushes with smooth shank in the end and double spiral construction are developed to withstand being driven by power tools, portable drills and CNC lathes and drill presses. 2. Double spiral tube brush construction for power use provide more dense on the brush surface and more aggressive brushing action. 3. Used for universal internal cleaning, polishing, surface finishing and deburring or honing applications in inner surface of tubes, pipes, threads, bore, cross hole…etc. 4. Available in full line of bristles and grit selections like carbon steel, stainless steel, brass, nylon, silicon carbide, aluminum oxide and diamond.

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