Best angle grinder 125mm x 3.2mm x 22.23mm stone cutting disc 125mm Product details • Size: 1 25x3.0x22mm(5"x1/8"x7/8") Diameter: 125mm (5")• Thickness: 3.0mm• Hole/Bore: 22mm • Hardness of R Grade• Silicon Carbide abrasive is suitable for cutting nonferrous materials such as concrete and masonry, as well as aluminum.• max working speed standard 80 m/s with 12250RPM Premium quality, fibreglass reinforced cutting discs for general masonry use. Manufactured in compliance with EN12413 with two fibreglass reinforcements. Produced with high grade, highly refined silicon carbide grit. Bonded with high quality 'bakelite' resin. Stone cutting discs must never be used for grinding and must always be presented to the workpiece at an angle of 90º. For use with a variety of machines, mini-grinders to stationary cutting-off machines. Application Suitable for cutting most masonry materials, including block, brick, concrete, stone, roof tiles etc. Also suitable for cutting many non-ferrous metals including copper, brass and aluminium.