Double row diamond cup grinding wheel is mainly used for grinding and polishing removal, deburring, chamfering, smoothing and shaping stone products such as granite, marble, sandstone, limestone, and aggressive material smooth finish. Also Ideal for Grinding Concrete Porcelain tiles, masonry, artificial stone surfaces as well as stock removal.
Double Row Diamond Cup Grinding Wheel – Heavy-Duty Grinding Tool for Concrete, Stone & Masonry
A Double Row Diamond Cup Grinding Wheel is a professional concrete and stone grinding tool designed for rapid material removal, surface leveling, edge grinding, and rough surface preparation. Featuring two rows of industrial diamond segments around the wheel, this design delivers higher grinding efficiency, smoother performance, and longer service life compared with single-row cup wheels.
Ideal for concrete contractors, flooring specialists, stone fabricators, and masons, double row grinding wheels excel on concrete floors, stone slabs, granite, marble, asphalt, and other hard surfaces where aggressive grinding is needed before polishing, coating, or leveling.
What Is a Double Row Diamond Cup Grinding Wheel?
A diamond cup grinding wheel is a circular abrasive tool typically used on angle grinders or handheld grinders. The double row refers to the two offset rows of diamond segments arranged around the wheel's perimeter. These diamond segments are composed of industrial diamonds bonded within a durable metal matrix, which allows the wheel to grind, smooth, and shape tough materials quickly.
The double row configuration increases:
Grinding contact area
Cutting aggressiveness
Surface coverage per pass
Stability and balance during operation
This makes it ideal for heavy applications where speed and performance are critical.
Key Features & Benefits
✔ High-Aggressive Material Removal
Double rows of industrial diamond segments provide fast grinding of concrete, aggregates, stone, and masonry with greater consistency and less effort.
✔ Durable Construction
Reinforced steel core and robust segment bond extend the service life of the wheel even under heavy workloads.
✔ Smooth Grinding Performance
Offset diamond rows reduce vibration and chatter, delivering more consistent surface preparation and a better finished look.
✔ Versatile Material Compatibility
Suitable for:
Concrete and cement surfaces
Granite and marble slabs
Sandstone, limestone, and other natural stones
Asphalt and tile substrates
Masonry walls and floors
✔ Multi-Tool Compatibility
Compatible with popular angle grinders and handheld grinders with the appropriate arbor size (e.g., 5/8″-11, M14, etc.) and RPM range.
Common Uses of Double Row Diamond Cup Grinding Wheels
These grinding wheels are widely used for:
Concrete surface rough grinding and leveling
Removing paint, adhesives, coatings, and old overlay
Grinding down surface imperfections
Edge and corner grinding
Surface preparation before polishing or coating
Stone fabrication and shaping
Tile and masonry finishing
They are excellent for preparing concrete floors prior to polishing or epoxy application, and for flattening uneven surfaces in renovation projects.
How to Use a Double Row Diamond Cup Grinding Wheel
Select the Right Grinder:
Use a machine that supports the wheel's diameter and maximum RPM rating.
Secure the Wheel Properly:
Follow the manufacturer's instructions for securing the wheel to the grinder.
Begin Grinding:
Apply gentle pressure and move the wheel smoothly across the surface to avoid gouging or over-grinding.
Work in Sections:
Divide large areas into smaller zones to ensure even material removal.
Maintain Safety:
Use protective equipment (eye, ear, respirator) and consider wet grinding/dust suppression when appropriate.
Technical Specifications (Typical Options)
| Specification | Typical Range / Details |
|---|---|
| Wheel Type | Double Row Diamond Cup |
| Segment Type | Industrial Diamond Segments |
| Segment Rows | 2 Rows |
| Segment Bond | Metal or Hybrid Bond |
| Compatible Material | Concrete, Stone, Masonry, Asphalt |
| Wheel Diameter | 4" (100 mm), 5" (125 mm), 7" (180 mm), 9" (230 mm) (varies) |
| Arbor/Thread | 5/8″-11, M14 (varies by market) |
| Usage | Surface grinding, coating removal, leveling, edge grinding |
| Rotation | Forward rotation on angle grinders |
Custom diameters and bond formulas are available based on job demands.
Choosing the Right Double Row Cup Wheel
When selecting the right wheel, consider:
🔎 Diameter & Tool Compatibility
Match the wheel diameter and arbor size to your grinder.
🔎 Material Hardness
Harder materials (like granite or polished concrete) require tougher diamond bonds.
🔎 Surface Condition
For heavy removal (rough surfaces or coatings), choose coarse bonds; for finishing between polishing stages, choose medium/fine bonds.
🔎 Work Environment
For indoor work, pairing with wet/dust control systems improves safety and finish quality.
Advantages Over Competitive Grinding Wheels
✔ Faster material removal than single row cup wheels
✔ More even grinding with reduced vibration
✔ Extended service life under heavy loads
✔ Ideal transition tool before polishing systems
✔ Better performance on abrasive and mixed materials
Safety Tips
Always wear eye protection, gloves, and a dust mask.
Maintain correct RPM ratings - do not exceed max RPM on the wheel.
Ensure secure mounting before operating.
Use dust suppression or wet grinding where practical to minimize airborne silica.
Double Row Diamond Cup Grinding Wheel Application
Packing, Storage, Handling and Transportation
After sales service team:
Technical Team:
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