Angle grinders are a versatile power tool with a rapidly rotating disc that cuts, grinds, polishes, sharpens, and cleans a wide variety of difficult materials, including iron, copper, brass, brick, tile, stone, or mortar. The tool rotates the discs with a high amount of torque and an average operating speed .
The primary purpose of an angle grinder is to grind metal. It achieves this with the use of abrasive grinding discs that come in a range of materials, like aluminum, carbide, and diamond-tipped discs.