The wire cup brush is made of thickened steel and a large hexagonal thread of 10 strengths to avoid the occurrence of steel wire flying and breaking during heavy work, and the weight ratio is passed. Precise calculations provide excellent balance and stability. Angle grinder grinding brush uses 0.020in high-strength hardened carbon steel wire has 4 times better performance than the others in the market, and has perfect knotting integrity. Compared with similar products, it has longer service life, safety, smoothness and ease of use. Eg, the wire will not be lost and bent even during intense use. threaded shank for easy and smooth removal of severe corrosion, rust, paint, spatter and scale, while cleaning the edges of the weld to remove burrs. It can be used for surface adhesion treatment before painting, spray coating and electroplating. It can also be used for surface paint peeling and grinding. Can Handle a Variety Of Surfaces: Twist knot wire wheel cup brush is suitable for materials such as metal, wood and other materials that require heavy processing. The thick knotted cup brush is with a CUP design which is ideal for heavy-duty, aggressive surface conditioning on expansive surface area and also provide more flexibility and avoid scratches on metal surface