#20 in Abrasive & finishing products
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Reddit mentions of DEWALT Concrete Grinding Wheel, Steel Backed Cup, 4-Inch (DW4961)

Sentiment score: 1
Reddit mentions: 2

We found 2 Reddit mentions of DEWALT Concrete Grinding Wheel, Steel Backed Cup, 4-Inch (DW4961). Here are the top ones.

DEWALT Concrete Grinding Wheel, Steel Backed Cup, 4-Inch (DW4961)
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    Features:
  • Aluminum oxide and silicon carbide grain of the grinding wheel is made for long life and high material removal
  • Type 11 shape of the grinder disc is made for maximum surface grinding coverage
  • Metal backing for greater durability of the grinder wheel
  • Proprietary material mix for aggressive grinding action
Specs:
Height2.05905511601 Inches
Length4.12992125563 Inches
Weight0.1984160358 Pounds
Width4.12992125563 Inches
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Found 2 comments on DEWALT Concrete Grinding Wheel, Steel Backed Cup, 4-Inch (DW4961):

u/HierEncore ยท 6 pointsr/DIY

Well done. Now pick up a concrete grinding wheel, (the type that fits on a corded drill) and work it out nice and even.

example: https://www.amazon.com/DEWALT-DW4961-Concrete-Masonry-Grinding/dp/B000R92HO6

u/homemadetools ยท 1 pointr/HomeImprovement

Yeah, if you never do any DIY house projects, it's probably not the best first one. But, it was easier than I thought. I used an inexpensive concrete cup wheel (this one: https://www.amazon.com/DEWALT-DW4961-Concrete-Masonry-Grinding/dp/B000R92HO6/) on edge, because I didn't want to pay for a fancy purpose-specific crack chasing attachment. Best tip: wet the concrete first. It minimizes dust, and it makes this cup wheel less aggressive and easier to control.

I'm currently working on filling a seam between the concrete garage bay of my shop, and the wood floor side of the shop, which is bordered by 2x4 lumber in the floor. So there's this 1/2"-1" gap, with concrete on one side of the floor, and 2x4 on the other. I'm thinking of just using the same technique: grind down a bit and then fill with 2-part epoxy. Sound reasonable? I'm tempted to use Bondo all-purpose putty, because it specifically says it's for wood and concrete, but I'm hesitant to use it on a surface that not only gets walked on, but has equipment rolled over it. What do you think?