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. "UNION"abrasive Nylon brushes are made of extruded 612 nylon base interspersed with either silicon carbide or aluminum oxide grit. It has excellent properties and can be used in various applications: SIC: silicon carbide grit AO:aluminum oxide grit
