National Equipment Profiling Diamonds - Planetary Grinder Tooling

National Profiling Diamonds are metal bond planetary grinder diamonds built specifically for prepping concrete ahead of polishing — run through the grits in order, increasing grit with each pass. Run grits in order. Increase grit with each pass; follow with 5-Inch Polishing Pads once profiling is complete. Specifications Bond Type Metal Bond Available Grits 16-Grit, 30-Grit, 50-Grit, 80-Grit, 120-Grit Hardness Medium Helix® Speed High Speed — decrease to Low if diamonds start glazing 8274-4 Speed Highest Speed — decrease incrementally if diamonds start glazing Ideal For Concrete Polishing Prep Available through PreFloorTools.com. Select grit at time of order.