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⚡ Sharpen Smarter, Work Faster — Never Miss a Cut!
This 30-piece electric chainsaw sharpener bit set features high hardness titanium-plated emery grain for superior durability and rust resistance. Designed with three precise sizes to fit various chainsaw wheels, it enables quick, tool-free sharpening without chain removal. Ideal for professionals and enthusiasts, it also works on jade, ceramics, glass, and gemstones, making it a versatile, bulk-value kit for efficient, on-the-go maintenance.
| ASIN | B09H2LQ8G5 |
| Best Sellers Rank | #13,073 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #5 in Chain Saw Sharpeners |
| Brand | Chumia |
| Brand Name | Chumia |
| Compatible Devices | Electric Chain Saw |
| Compatible Material | Chainsaw, Jade, Wood, Steel, Gemstones, Cemented Carbide |
| Construction Type | Coated |
| Customer Reviews | 4.2 out of 5 stars 1,038 Reviews |
| Grit Material | Diamond, Emery |
| Grit Material Type | Diamond, Emery |
| Grit Type | Coarse/Medium |
| Item Dimensions | 5.91 x 4.13 x 0.1 inches |
| Item Dimensions L x W | 5.91"L x 4.13"W |
| Item Highlight | Diamond Plated Grinding Tool, 3 Sizes 5/32 3/16 7/32 Inch for Various Chains, Storage Case, Bulk Kit for Workshop Use |
| Item Weight | 0.13 kg |
| Manufacturer | Chumia |
| Material Type | emery grain |
| Number of Items | 30 |
| Product Dimensions | 5.91"L x 4.13"W |
| Recommended Uses For Product | Grinding, Polishing, Sharpening |
| Set Name | Chumia 30 Pcs Diamond Chainsaw Sharpener Stone Bit |
| Unit Count | 30 Count |
P**A
They work
Use this with chainsaw sharpening. Use two per chain. They wear quick, so you need and get a lot for the price.
M**L
Excellent Diamond Drill Bits Set
I recently purchased this diamond drill bits set from Amazon, and I am very impressed with the quality. The bits are sturdy, sharp, and work great for drilling glass, tile, and ceramic materials. I also love that the set comes with multiple sizes and a convenient storage case for easy organization. They performed smoothly and exceeded my expectations for both durability and precision. Overall, this is a great value for the price, and I would highly recommend this set to anyone needing reliable drill bits.
K**K
Good buy
These outperform the Oregon stones by a mile when used on a die grinder. They don’t break but will eventually wear out. The sizes coincide with all three of my saws. Good buy.
D**S
saw sharpening tools
these are by far the best for chain saw sharpening
A**M
Complete grabage, grit wears fast, you need at least 3 or 4 of these to sharpen one chain
These are absolute garbage - I would give a negative review if it was possible. Titanium and diamond is far from the truth - these things are more like a little bit of gold glitter. Amazon's AI Rufus claims (based on some reviews maybe) these can sharpen 2 or 3 chains. That is not true. Maybe a full pack of 30 can sharpen 2 or 3 chains - I used three of these things sharpening just one chain and it is not even close to as sharp as it could be, as I have previously done using pure grit based bits. All the "grit", if you can even call it grit wore off in seconds. I would not recommend these to even somebody I hated because it would just be wasting their money, and I'm not that vindictive even to somebody I don't like
B**.
If you own a Chainsaw, you need to own these
Works much better than the stone bits. Chainsaw is razor sharp in no time.
L**R
there are longer lasting stones out there but these do work.
Ive used 5 different sharpeners so far through the years. This style hands down offers the sharpest chain that exceeds new chain in cutting speed. If you want a perfectly sharpened chain, it will often require two of these stones to do the job. They wear very fast but do a nice job. 5/32 is the right size for .325 chain. I know the math says 3/16 but if you lay the stone in a new chain 5/32 fits perfect, 1/16 will change the shape and waste metal that shortens chain life. Im still looking for a better 5/32 stone, i dont think this is it.
J**Y
buy if you have to sharper blades a lot
what a great replacement for the old stone sharpeners, plus the different sizes work great
Trustpilot
1 month ago
5 days ago