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Impeller: 3x12mm, 5pcs; 3x15mm, 5pcs; connecting rod, 1pc
Grinding burr: cylindrical shape: 3x6mm, 3x8mm, 5pcs for each; rounded cylinder: 3x6mm, 3x8mm, 2pcs for each (Grit 60)
T shape E needle burr: 3x6mm, 4pcs (Grit 60)
Fine sand shape burr: 3x6mm 6pcs; Needle: 2pcs (Grit 150)
Diamond Disk: 20mm 2pcs; 30mm 2pcs, with 2pcs connecting rods.
Great for filing glass, ceramics, tile, brick, fiberglass, stone, rock carbide, gold, platinum, silver, metals, and anything with a hard surface. Also fit and easy to install on Dremel rotary tools 4000, 4200, 8220, 3000
Notes:
Please try to replace the collet fit when these carving bits do not fit in your Dremel rotary tools!
Please add enough water and use eye protection!
The grinder speed should not be too high, please adjust the electric grinder to 20000 RPM below and then the cut rods should be installed. High speed will lead to fracture of the rod.
Different shapes of diamond grinding head show that they got different usages, which makes them different from grinding wheels. The diamond grinding heads are cylindrical, elliptic and conical. The shapes are designed in conjunction with the processing of work piece shapes, which can’t be manufactured by wheels. So when the wheels are not workable, the grinding heads come into use.
Still the grinding heads can be used in abrasive grinding features like: grinding, polishing and milling products. We all know that diamond is the one of the most hardest materials, which means the diamond grinding heads have the characteristics like Diamond, so it is often used in high hardness alloy, or non-metal super hard materials. So it’s usages are different and special in comparison with general wheels or other metal wheel of grinding tools.
Adam Taylor
2025-08-26 17:18:20
Wide variety of bits to get the perfect carve, etch, or cut. In my case I needed to bevel a 2 inch thick granite backsplash to allow a stove top to slide in flush to wall. It worked perfect, and with the variety of bits I was able to get the perfect edge to have a seemless edge.
bre
2025-08-25 10:17:44
For how cheap this set of bits are I was expecting fake diamond or for them to feel cheaply made, but these work great I’ve had no problem with them. I use them with my Dremel lite and my 200 model.
Scuba_Steve
2025-07-15 14:56:33
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Satchmojones
2025-07-10 19:52:48
Stone Carving Set Polishing Rotary Tools. Works great especially the polishing wheels. The stone carving bits are strong and work great. But differently have to keep them wet or they will burn up to quickly.
yeehaw cowboy
2025-07-08 16:52:50
This is my first time using a rotary tool, and I've been using these to carve rocks I found on my driveway. The regular bits work fantastic, but the "diamond tipped" bits wore out almost immediately, which leads me to wonder if there's actually diamonds in them. The disc bits work nice too. I'm not sure if I'm supposed to use them to slice rocks, but they work for that. Haven't tried the polishing bits yet. All in all, these were a great start for a beginner like me, and I think I'll get a lot of learning out of them before I have to buy something higher quality.
Amy Mateo
2025-06-15 17:46:58
You can't go wrong with this set. I use it for Polymer 80 builds, buy you can use the bits for so much more. I'm actually glad I bought these, because they have so many different uses, that I see myself using them for more than just the reason I purchased them for initially.
Lacheur
2025-06-10 17:10:36
I don't actually know where these were made, but that doesn't matter - they're WELL made. I've used a single bit to rough out a couple cabochons out of agate (which is a very hard mineral!), and it still works like new. There's a visual difference in the used one, but I think that's just the metal coating wearing off the tops of the diamond - it's got a slight greenish cast.I've tried saving a few bucks buying Harbor Freight or cheap-o Chinese imports, and lemme tell ya, do yourself a favor and get these instead. I think the first bit is going to outlast the whole last set I got.Maybe there are better ones out there, but for my money these are in the sweet spot.
Juan
2025-06-08 21:34:58
Great little kit! You get so many usable pieces for carving. The cutting disc got dull sooner than I expected but overall this kit will serve me well. The variety of tip shapes and grits are great but you will need additional tools/tips for a final polish. Comes in a nice case with additional dividers. Arrived super fast. Very pleased with my purchase.
Sir Alphonso
2025-05-20 17:22:30
I would recommend this item all day long,it's absolutely awesome value for money and does the job of shaping and grinding out designs in .Works well with all the stones I've tried and I must say hardly any wear n tear.So I'm pleased to say your on a win win with this company in China.I have bought smaller item's in the uk and it's not been as reliable or lasting like the Chinese diamond burr tools from this company.
Osama
2025-04-17 14:52:04
I'm using this item for dremel, it helps me a lot
kot0005
2025-01-14 14:17:00
I use them to remove stuff from my resin 3d prints and the set is a must have for a rotary tool.
Tessa Toneguzzi
2025-01-08 11:57:52
Absolutely love these bits, they're perfect for shaping up rocks and cutting. Just be sure to use them in water!
Good item
2024-12-22 18:59:39
Works for my project
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