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💥 Sharpen smarter, work faster — never miss a cut!
This 30-piece set of high-hardness electric chainsaw sharpener bits features diamond-plated emery grain for superior polishing and durability. Designed with three precise sizes to fit various chainsaw wheels, these rust-resistant, lightweight bits install easily without removing the chain, boosting your sharpening efficiency. Perfect for professionals and DIYers alike, this bulk kit ensures you stay sharp and ready for any cutting task.
| ASIN | B0F13VLH9P |
| Best Sellers Rank | #12,650 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #6 in Chain Saw Sharpeners |
| Brand | Chumia |
| Brand Name | Chumia |
| Compatible Devices | Chainsaw |
| Compatible Material | Metal, Jade, Wood, Steel |
| Construction Type | Coated |
| Customer Reviews | 4.1 out of 5 stars 1,032 Reviews |
| Grit Material | Emery |
| Grit Material Type | Emery |
| Grit Type | Very Fine |
| Included Components | 30 x Burr grinding stone files |
| 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 Thickness | 0.06 inches |
| Item Weight | 3.52 ounces |
| Manufacturer | Chumia |
| Material Type | emery grain |
| Model | 1 |
| Number of Items | 30 |
| Recommended Uses For Product | Sharpening |
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
3 days ago
1 month ago