7" High Performance Diamond Grinding Wheels for Aggressive Concrete, Paint, Epoxy, Mastic, Coating Removal, #18/20 Grit, 14 S Segments, 5/8"-11 Arbor

Product was used to reduce the thickness of a concrete slab. It has grooves cut into it for a stamped concrete coating that was removed by others. It is also great for eliminating trip hazards from a concrete slab lifting up next to another. I had previously used the 4.5" disc and it worked great. The 7" disc with a 15-pound grinder rotating the disc works faster and creates a large taper in the concrete surface.

If you need to grind something like stone or concrete, look no further. I am a stone mason and this is by far the most aggressive wheel, and is also very long lasting. I grind large amounts of granite. These are great for rough grinding. For smoothing , pre polish grinding get the black ones with gold small spike pattern teeth, also from this seller Ediamondtools. These are the only 2 styles you need.

This products is amazing value for money

Excellent for fast coating removal and taking down high spots in concrete floors, not a smooth finish

I liked that the disk would cut my concrete because I have very hard concrete

This thing works. It is a beast. Could probably remove all the concrete from my sidewalk down to the dirt. Or remove one side the foundation on my house. Holy cow!I needed to remove concrete from a horizontal patio slab in the backyard so I could put in a fence and have the fence posts flush to the slab. When they poured it back in 1910 or 1920 they didn't use a form (that I could tell) and hand troweled the exposed part but once at the solid line it was bulging out. So I used a diamond cutoff wheel to remove as many big hunks as I could, then this to grind it down to relatively flat. Lots of elbow grease sure, but this wheel never gave up, never needed a break, never stopped. It outlasted me - I was the one who needed the period breaks. In the end, after 8 fence posts, where for each area where each fence post would approximately land, I would clear about a 10-12 inch wide section of the slab, and about 6-8inches vertical, and this thing still has at least 1/3 left on it.So yeah, I recommend this beast!

I bought this because I'm using it to clean the cutback adhesive that was under the floor tile in my basement. I was using a Makita A-98871 wheel that was too fine and taking forever (although I will use it for a finer finish after this wheel). I reached out to the seller, ediamond tools, to ask which of their wheels would do a better job than the Makita. It was suggested to use this wheel for cutback removal. The wheel is very aggressive but in this application it is just about right. You don't have to put much pressure on it but you do need to keep it moving or it will grind a mark in the concrete. I am using it with a DeWalt DWE 46253 https://smile.amazon.com/gp/product/B07K52RZRG/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1 on setting 3 and it is a good combination.

So I was hesitant to buy this based on " self proclaimed DIY professionals". So I bought the DeWalt 7" wheel for my 15amp mikita. Spent $97 and it lasted about 3hrs and grinded down 1/8" in a 4x4 area on my patio (4000 psi aggregate mix). The DeWalt was near nubs in that span. So I bought this one and let me tell you.. if you have a large area of concrete with rock that you need to grind down, this is the blade for that! I did the remaining 36'x9' and it cut like butter with only wearing down 1/3, maybe 1/2 the blade. Save yourself some time and money and take my advice and get the dang thing.

The grit rating of 20-25 is actually 18-20 with the non threaded 5” model. Haven’t used but have trust issues now that product purchased doesn’t match what was delivered.