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Randy Thomas
Reviewed in the United States on February 23, 2025
Excellent product. I would recommend to anyone.
Dave Evers
Reviewed in the United States on February 13, 2025
My daughter casts jewelry from 3d printed patterns and investment molds. She uses these to clean up the parts before molding, all the way to finished parts. Great assortment.
Lindsay
Reviewed in the United States on January 12, 2025
These get used up and needed some more - perfect set!
TCondie
Reviewed in the United States on January 1, 2025
It is nice to have an assortment of these grinding drill bits. If you do a lot of projects, this set comes in handy as you have many back pieces when needed.
2L student
Reviewed in the United States on December 28, 2024
These grinding bits work just as well as any others I have ever used. It is a great value with how many you get. These are the kind of thing that I never think about buying until the moment I need one, so it is great to have a set that gives me so many to keep on hand.
Milo
Reviewed in the United States on November 23, 2024
These were bagged and then placed inside of a thinner cardboard box, and so they were partially escaping when I opened the package. They seem to be no different than the name brand rotary tool accessories, but at a much cheaper price. These are best used on metal in my opinion, smoothing rough edges, removing burrs, even sharpening smaller garden tools. You get 14 of each of three different shapes, and they seem to last as long as the others. I'm happy with these, especially considering the price. I'd definitely get them again.
Tamara W.
Reviewed in the United States on November 20, 2024
This look like and perform just like the (MUCH) more expensive Dremel tool grinding drill bits. I've given each of the three shapes/sizes a try on materials which I normally use bits like these on (taking rust off the bottom edge of metal sled runners, smoothing over a sharp metal edge, and light-duty sanding on wood ----which I know there are other bits which are meant more for this purpose, but I often end up using this type of bit as it is often more easily grab-able from what I've worked on previously), and didn't notice any difference in performance or fit from the name brand bits.If you think that you might use more than just a couple of drill bits, I would definitely recommend these as they are much more economical!
qaz
Reviewed in the United States on November 14, 2024
Wow! For about the price I usually pay for 2 grinding stones you get 42! And they look to be identical to the name brand ones. I noticed a couple of the shafts weren't set exactly right/straight but even those "defects" still spin well - no wobble. Next to the little cutting wheels, these grinding stones are my favorite rotary tool accessory. I use them a lot. Whether smoothing rough metal, grinding down a screwhead to be flush with a surface, or sharpening my garden tools, they really come in handy. I've even used them on the wood in a doorframe when installing a latch just to takeoff a little bit of wood for the lock to fit. They do burn a little on wood if you use the tool on high speed, but no big problem. In the picture I provided of the two grinding stones next to each other, my old one is on the right and the set one is on the left (the new one in this set has a longer shaft than my old one).
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