PFERD universal line PS-forte contains a selection of the most popular brush sizes and styles used by contractors and tradesmen in single-use, shift-work environments. The design of this knot wire unbridled cup brush is tailored for power tools that are frequently found on contractor jobsites such as drills, angle grinders, die grinders and bench grinders. It has threaded hole fastening, 7000 maximum RPM and carbon steel wire bristles. Available in 5-inches diameter, 0.014-inches wire size and 5/8"-11 thread size. Uses in industries area: automotive, transportation, mining, electronics, aerospace, welding, nuclear, textiles, food services, construction, petrochemical, farming, medical, shipbuilding, fabricating, defense, foundries and plastics.