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189050 MERCER 6" x 5/8"-11 Knot Cup Brush
About this item
1- 6" diameter Heavy-Duty Knot Cup Brush with a 5/8"-11 arbor.
Use on an Angle Grinder. Max RPMs 6,500.
Knot wire is good for aggressive brushing for tough jobs like rust and scale removal. Cup brushes are good for flap surfaces because they cover more area.
Made with .035 Carbon Steel wire - the most common type of wire
Not recommended for stainless steel 
