Weiler® 6 in standard twist knot wire Wheel Brush provides a heavy duty brushing action with some flexibility for demanding deburring cleaning and surface preparation applications on somewhat irregular surfaces. Featuring Weiler® individual knot hole construction, these radial brushes are available in heat treated steel, type 302 stainless steel and bronze wire for use in a wide variety of applications. 5/8-11 nut for use on right angle grinders. Weiler® Wheel Brush, 6 in Diameter Brush, 1/2 in Face Width, 5/8-11 UNC Arbor Hole, Standard Twist Knot Filament/Wire, 0.016 in Dia Filament/Wire, Stainless Steel Fill, 1-3/8 in Trim Length, 9000 RPM Maximum, Threaded Hole Attachment