BGTEC Diamond Concrete Grinding Wheel 100mm Angle Grinder with 2pcs Ruducer Washers(22.23/15.875 and 22.23/20) for on Granite Marble Brick Masonry

【Size】Diameter:4inch/100mm, Bore 22.23MM,22.23mm-16mm reducing ring and 22.23mm-20mm reducing ring, Segment thickness:5MM,Steel Core:3mm,Grits:40/50;Max Speed:15000 RPM. Recommended Speed: 9000 RPM. 【Wide Application】mainly be used for dry and wet grinding and polishing Concrete, Masonry, Granite Marble and some other construction materials. 【Fast Sanding Efficiency】Diamond Concrete Grinder Wheel with larger grinding diamond segments exposes more surface to diamond segments for faster cutting. 【Highly Quality Materials】Strong and Durable, high concentration of diamonds by Sintered Technology. Made of heat-treated steel body,3mm strong steel core can bear tough work;5mm segment depth for long service life. 【Easy to operate】diamond grinding wheels are easy to operate and install, which are suitable for grinders and angle grinders; Please follow the instructions of angle grinders and grinders.