Weiler 4" Knot Wire Bevel Brush provides heavy-duty brushing action with some flexibility for demanding cleaning applications on somewhat irregular surfaces. Ideal for cleaning filet welds and into corners. 5/8"-11 nut for use on right angle grinders. Weiler's knot wire wheels with a threaded nut are intended for use primarily on small and large right angle grinders. Featuring Weiler's individual knot hole construction, these radial brushes are available in heat-treated Steel and Type 302 Stainless Steel wire for use in a wide variety of applications. Applications such as removing powder-coating, epoxy-based paints, and rubberized coatings, weld preparation and cleaning, cleaning scale and heavy corrosion and removing heavy burrs from large pieces after cutting. Engineered and manufactured to maximize performance and minimize operating costs in the most demanding surface conditioning applications. The use of superior construction, the highest quality materials and the most stringent manufacturing processes deliver the lowest cost-of-use and most consistent performance in heavy production environments