... ×7.0×3020 7"18022.235.0×7.0×3024 Double Row Diamond Grinding Cup Wheel for Concrete1. Usage: for grinding ... , tiles, masonry, stone, etc2. Technology: cold pressed, welded3. Type: single row, double row, turbo, continuous4. Body material: 65Mn5. Segment material: diamond grit, Cu ... is a leading diamond tools manufacturer and exporter in Jiangsu China with a more than 10 years history. With perfect and ...