BGTEC Diamond Concrete Grinding Wheel, 100MM/4Inch Double Row 14 Segments Cup Surface Disc for Angle Grinder, Polishing and Cleaning Granite Marble Masonry Stone

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 High quality material: Robust, rust and corrosion resistant, not easily deformed, made of heat-treated steel, with 3 mm solid steel core and 5 mm workable thickness. High grinding efficiency: Vibration-free design greatly reduces operator fatigue, and the lower air hole design keeps the grinding cup cooler and reduces wear. Dual blast edge design for fast debris removal to avoid "clogging" Easy to operate: diamond grinding wheels are easy to operate and install, which are suitable for grinders and angle grinders; Please follow the instruction of angle grinders and grinders.