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202884364

Model #

HD-AWD40

Store SKU #

140029

4 in. Diamond Double Row Cup Wheel

$5497
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  • Works for wet and dry applications
  • Delivers 15,000 RPM
  • Ideal for leveling, removing coating and grinding concrete
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Product Details

RIDGID Double Row Diamond Cup Wheels are engineered with top-grade industrial diamond for maximum cutting performance and superior grinding life. These cup wheels can be used for a wide range of projects from shaping and polishing of concrete surfaces and floors, to fast aggressive concrete grinding or leveling and coating removal. Heavy-duty steel core offers lasting durability. 4 in. cup wheel will fit a variety of small angle grinders with a 5/8-11 threaded arbor. Suitable for both dry or wet cutting conditions.
  • Professional-grade quality
  • Engineered for dry or wet concrete grinding, leveling, or coating removal
  • Double row segment design is formulated with high-grade diamond and unique bond matrix for fast and aggressive grinding
  • For use on 4 in. or 4.5 in. angle grinders
  • 5/8 in. - 11 mm threaded arbor
  • MAX RPM 15,000
  • Faster grinding and longer life than standard abrasive grinding wheels
  • Return Policy
  • California residents

Additional Resources

From the Manufacturer

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Specifications

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Questions & Answers

59Questions
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Q:Can I use this on a hammer drill and make this as a hole saw on concrete slab?
by|May 15, 2023
1 Answer
Answer This Question

A:  Dear Andy, Thank you for reaching out to us. The RIDGID Diamond Double Row Cup Wheel is not designed to be used as a hole saw on a concrete slab with a hammer drill. The RIDGID Double Row Diamond Cup Wheels have been designed for a wide range of projects, including shaping and polishing concrete surfaces and floors, as well as fast and aggressive concrete grinding, leveling, and coating removal. Please feel free to give us a call at our RIDGID customer support line at (877) 224-2969, so we may assist you further.

by|May 16, 2023
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    Q:Can this be use to remove thin set left after removing ceramic tile
    by|Apr 3, 2023
    1 Answer
    Answer This Question

    A:  Dear Frank:Thanks for contacting us regarding the RIDGID Diamond Double Row Cup. Yes, this Double Row Diamond Cup Wheel would work great removing thin set after removing ceramic tiles. Please feel free to call us at our RIDGID customer support number at (877) 224-2969 so that we can help answer any other questions you may have.

    by|Apr 5, 2023
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      Q:What grit is this wheel?
      by|Mar 23, 2023
      1 Answer
      Answer This Question

      A:  Dear Scott:Thanks for reaching out to us regarding RIDGID Diamond Cup Wheel. It has a medium grit of 50/60. Please feel free to call us at our RIDGID customer support number at (877) 224-2969 so that we can help answer any other questions you may have.

      by|Mar 24, 2023
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        Q:Could this be used to grind down a remaining tree stump
        by|Mar 6, 2023
        1 Answer
        Answer This Question

        A:  Dear John: Thanks for reaching out to us regarding RIDGID Diamond Cup Wheel. We do not recommend it on tree stump.The cup wheels designed for a wide range of projects from shaping and polishing of concrete surfaces and floors, to fast aggressive concrete grinding or leveling and coating removal. Please feel free to call us at our RIDGID customer support number at (877) 224-2969 so that we can help answer any other questions you may have.

        by|Mar 7, 2023
          Showing 1-4 of 59
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          Customer Reviews

          4.8 out of 5
          (423)
          • 4.8
            out of 423 reviews
          • 95% recommend this product
          Filter by:
          Showing 1-10 of 423 reviews
          This thing is amazing!
          I am re-tiling my pool. I really, REALLY didn't want to spend the money on this, but I won't miss one cent of it. I spent half an hour doing about 20 feet of my water line (6 inches wide) with a conventional grinding wheel before I broke down and bought this. In the last ten minutes, I've done approximately 45 feet of water line with the new wheel! It is an absolute beast. I actually had to adjust my pressure to barely touch the old thinset to keep from digging into the concrete. Totally worth every penny. Make sure you have eye protection and a respirator! This thing throws debris everwhere.
          by
            • Recommended
            My wife and I were pouring some GFRC Concrete counter tops in our backyard and once they had cure...
            My wife and I were pouring some GFRC Concrete counter tops in our backyard and once they had cured needed a tool to smooth out the bottom edge. It was a little hard to convince my wife that we needed to spend this kind of money on a tool, but once I had it attached to my grinder we both realized it was worth every penny. To me the benefit of this wheel is two fold; the speed at which I was able to complete my grinding was far faster than I thought it would be. I had about 26 linear feet of edge to grind and this wheel chewed through it in a matter of minutes. The second is the quality of the edge that it left. You can see in the after photo that it is incredible smooth and barely needed any sanding. There was no chip out or breaking of the surface, it just removed the excess. We are going to be doing a few more concrete counter tops over the coming months and I am happy to have this grinding wheel in my tool box.
            by
              • Recommended
              2 found this review helpful
              was using a scraper before I discovered this life time saving tool to take up mortar from removed...
              was using a scraper before I discovered this life time saving tool to take up mortar from removed tile flooring! Be sure to get the dust tool with it to save even more of your precious life time cleaning up the mess this thing will make. Happy grinding...
              by
                • Recommended
                Worked brilliantly, ground concrete and granite with ease, did not wear very much so far.
                Worked brilliantly, ground concrete and granite with ease, did not wear very much so far.
                by
                • DIY
                • Verified Purchase
                • Recommended
                Worked great for removing grout and thinset and grind some minor high spots down from a concrete ...
                Worked great for removing grout and thinset and grind some minor high spots down from a concrete slab before installing a floating floor.
                by
                • Verified Purchase
                • Recommended
                I used this product to level out sidewalk trip hazards (some 1/2 inch high). I was impressed how ...
                I used this product to level out sidewalk trip hazards (some 1/2 inch high). I was impressed how easily and quickly it ground the concrete away. I thought this grinding was going to be a hard job and it wasn't! Be sure to be safe when doing this - don't just use a ordinary dust mask - use a fume mask to protect your lungs. Safety glasses or a face shield is a must. This is what I used. 1.Milwaukee 7 Amp Corded 4-1/2 in. Small Angle Grinder Model# 6130-33, 2. Professional Multi-Purpose Respirator Black Drop Down Model # 63023DHA1-C 3. 3M Clear Professional Face Shield Model # 90028-80025 4. Heavy gloves 5. Knee pads or kneeler 6. Leaf blower to get rid of the dust - this process makes LOTS of dust - don't breathe it!
                by
                  • Recommended
                  11 found this review helpful
                  It worked great on granite stone.
                  It worked great on granite stone.
                  by
                  • Verified Purchase
                  • Recommended
                  1 found this review helpful
                  worked very well. I was stripping deck cover off of my concrete patio and this was the only tool ...
                  worked very well. I was stripping deck cover off of my concrete patio and this was the only tool that would do it. On a side note I would never put Behr Deck cover on any patio wood or concrete.
                  by
                  • Verified Purchase
                  • Recommended
                  2 found this review helpful
                  I was pleasantly surprised at how well this worked and the speed at which it can grind a concrete...
                  I was pleasantly surprised at how well this worked and the speed at which it can grind a concrete surface. First application was to grind a 4 foot long heave crack in a concrete floor in preparation for repair and resurfacing. I was able to grind the length of the crack smooth in just a few minutes and will little effort. The blade didn't catch or bind. Next a brick threshold was smoothed for repair and covering. The wheel easily ground the brick in a very controlled way without cracking or knocking off big chunks. Next I used the wheel to remove paint on a concrete threshold. Worked very easily and quick. It was also very good at removing lumpy residue from a concrete bathroom floor after vinyl flooring was pulled up. Takes more time to remove sticky residue but was still very effective. I don't know how long this will last, but it already saved me a bunch of time and effort so well worth the investment. I was skeptical but this worked better than I had expected. Wear goggles, ear protection, and a good dust mask! Silica dust is very bad to inhale. You might want to consider wearing a disposable Tyvek overall suit too. Otherwise you will be covered in dust.
                  by
                    • Recommended
                    5 found this review helpful
                    Worked great
                    I used this wheel for the first grind of my concrete counter tops. I used a disposable pad for the first top and it took forever. So a ran to HomeDepot and picked up this wheel and it sped up my process 100 fold. I blazed through the rest of the pieces.
                    by
                    • DIY
                    • Recommended
                    6 found this review helpful
                    Showing 1-10 of 423 reviews

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