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Sworker 20 Pcs 60-grit diamond coated grinding bits, 3mm shank compatible with Dremel 1/8"(3.175mm)collect, 10 types of head shapes, head dia 6.2mm, total length 45mm, one 20-pocket blue plastic tool bag with hook and one clear plastic box with hook.
Notes: Please use water to cool diamond bits.
Customer
Reviewed in the United States on May 5, 2025
This is a nice selection of bits. I never know just what shape of bit I might need before I start a project, and with 20 of these in a nice little kit, I have a wide selection of bits to choose from. They seem to last a lot longer than the bits that always come in the big combo kits and I'm glad to have that step-up in quality. And, unlike some of the cheap bits, the shafts on these are perfectly straight on don't wobble in the slightest.For a price of $9.99 (at the time of review) I think this bit set is a solid value!
BC
Reviewed in the United States on April 29, 2025
This is a nice set of handy little grinder bits that will now accompany my Dremel tool. The variety is key, because I never know exactly what type of fit/shape I'll need when I get into a hobby project. This set has most of everything that I can see myself needing, and multiple copies of each shape. I like to stock up when it comes to bits like this, and I'll be set for a good long time now. Excellent value. Recommended.
LawRenz
Reviewed in the United States on April 29, 2025
These work better than the standard stone bits. They appear to remain new even after a couple uses. I know the other stone or sand paper bits I have don't have the same longevity.
Spencer Breaux
Reviewed in the United States on April 27, 2025
The box contained 20 - 60-Grit diamond grinder bits with a 1/8" shank. They are standard size with a tough shank. I am impressed with the durability of the grit. It ground down a 1960's dead bolt strike plate on a lower speed. It removed a good bit of material quickly and there was minimal loss of the grit. I like all of the shapes provided that can get into those small, odd spaces. I believe the price to be reasonable. I am very satisfied with this product.
Ted Long
Reviewed in the United States on April 25, 2025
Nice addition to my Dremel tool box. This is a well made and good assortment of grinder bits for use on different materials. These bits will work well to sharpen yard tools, including lawnmower blades, as well as boring drain holes in ceramic flower pots.
Dstar
Reviewed in the United States on April 19, 2025
These fit my Dremel tool perfectly and are performing very well. They are holding up to the light work I have been doing with them. The only issue I have is when I used one to grind down some plastic. That material gunked the bit up a bit because it melted. That's user error though, in my opinion.I'm not doing anything aggressive with these so far, so not sure how good they for different materials. They have been great for knocking the sharp edge off of cut steel though.You get two of each bit and they are package well.
Shopper
Reviewed in the United States on April 16, 2025
I give these 3 stars only because they actually do remove material. They probably deserve less. They're supposed to be 60-grit but that is a big stretch. Maybe it's me but I would expect these to have similar aggregate to 60-grit sandpaper. Not exactly, but similar. They are nowhere near that. 120 at best and that might be lenient. Maybe 180. I ordered these with the expectation they would be much more coarse and able to remove a large amount of material quickly. I'm disappointed.
Eric B. from Newton
Reviewed in the United States on April 13, 2025
This is a 20-piece set of diamond encrusted bits for use with 1/8" collar rotary tools. There are actually 10 varieties of bits, and 2 of each, for a total of 20.This particular set is 60 grit, which is good for fairly aggressive removal of material without going too fast. The diamonds cut pretty well, but keep in mind that some items, like sappy wood or plastics, may melt onto the diamonds and the gunk up the friction surface.There is a good variety of bits for carving intricate profiles, but also for deburring metals. They come packaged in a vinyl pouch with sections for each bit, and the whole assortment comes in a small plastic box.Overall, a nice addition to any rotary tool's bit assortment.
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