SUNJOYCO 4'' Double Row Diamond Cup Concrete Turbo Grinding Wheel for Angle Grinder Polishing and Stone Cement Marble Rock Granite Concrete Cleaning

SUNJOYCO 4’’ Double Row Diamond Cup Wheel is designed to be used for dry/wet grinding of concrete and other masonry materials to smooth uneven surfaces and remove flashing Warm Tips:Please check the size of the wheel to see if they can compatible with your machine! Specification: Material: HHS Production process: sintering Color: black Outer diameter: 100 mm / 4 inches Inner hole diameter: 20mm / 0.79 inches (without metal ring) Inner hole diameter: 16mm / 0.63 inches (with metal ring) Thickness: 5 mm / 0.2 inch How to Use It Properly? 1. Strictly follow the instructions in the machine manual. 2. Do not install a diamond dish/cup wheel that is too loose or too tight on the flange. 3. Tighten only with the tool provided with the machine. 4. Be sure to hold the wheels properly to prevent slipping, but do not use excessive force. Never use a hammer. 5. Keep flanges and threads clean without burrs and rust. 6. Before installing the wheel, please replace the deformed or damaged flange. Please protect yourself when start cutting! We recommend the following personal protective equipment: Eye protection Ear protection (earmuffs) Hand protection (gloves) Lung protection (dust mask) Important note: 1. Never remove the machine's protective cover and make sure it is properly adjusted to keep debris away from you. 2. Make sure that no one else is in danger, especially near the machine while working. Package Included: 1 x 4-inch double row diamond concrete grinding wheel