100mm/4 Inch Diamond Grinding Wheel Disc Bowl Shape Cup Stone Concrete Granite Ceramics Tool Sanding Disc

Please note this item ships from an international seller. Expected delivery is 10-15 days.Package included: 1 x 4 inch Diamond concrete wheel 1 x Metal Gasket Description: This aggressive turbine cup wheel can cut masonry stone and concrete very quickly. High diamond concentration longer service life stronger material removal Large abrasive discs with heat-treated steel body can improve durability and wheel life Usually used for dry / wet grinding of concrete granite stone marble tile masonry and some other construction materials to smooth uneven surfaces and remove flash 4 inch diamond wheels have air holes designed to help maintain and cool the cutting pattern and reduce wear Specification: Material: HHS Color: gold Outer diameter: 100 mm / 4 inches Inner hole diameter: 20mm / 0.79 inches (without metal ring) Inner hole diameter: 16mm / 0.63 inch (with metal ring) Thickness: 5 mm / 0.2 inch How to use it correctly? 1. Strictly follow the instructions in the machine manual. 2. Do not install a diamond disc / cup wheel that is too loose or too tight on the flange. 3. Use only the tools provided with the machine to tighten. 4. Make sure to hold the wheel correctly to prevent slipping but do not apply excessive force. Never use a hammer. 5. Keep flanges and threads clean and free of burrs and rust. 6. Before installing the wheel please replace the deformed or damaged flange. Important note: 1. Never remove the protective cover of the machine and make sure that it is properly adjusted to keep debris away from you. 2. Make sure that no one else is in danger especially near the machine when working.