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โ๏ธ Master your CNC game with precision and style!
The SILIVN 14pcs ER20 Spring Collet Set offers a comprehensive range of sizes from 1/16" to 1/2", made from premium spring steel for durability and stable performance. Designed for CNC engraving, milling, drilling, and lathe machines, each collet is clearly labeled for quick identification. Featuring a self-centering lock mechanism, this set ensures tight, concentric tool holding, backed by a 12-month customer satisfaction guarantee.


















| ASIN | B07DBWXTGS |
| Best Sellers Rank | #62,328 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #2 in Workholding Collets |
| Brand | SILIVN |
| Brand Name | SILIVN |
| Capacity | 0.5 inches |
| Compatible Devices | Lathe |
| Customer Reviews | 4.4 out of 5 stars 442 Reviews |
| Handle Type | keyed |
| Included Components | 1/4-Inch Collet |
| Item Diameter | 28 millimeters |
| Item Highlight | Fits Milling Lathe Tool Workholding Engraving Collets,Standard |
| Item Weight | 0.55 kg |
| Lock Type | Self Centering |
| Manufacturer | SILIVN |
| Manufacturer Part Number | SP-TK005 |
| Material | Metal |
| Material Type | Metal |
| Model Number | ER20 |
| Number of Items | 14 |
| Thread Size | M3-M12 |
| Unit Count | 1 Count |
J**N
They Work
Nice fit and finish for my collet blocks. The hold tight and run concentric. Great buy!
K**S
Great addition to a Harbor Freight Mill
These are great. I use them with a Harbor Freight mini mill. Great value and have performed perfectly.
P**D
Works great, and spins concentric
I bought these a while back for my small milling machine, and so far they have worked wonderfully! They are well machined, and easy to use. I love them : )
D**C
Excellent bang for the buck
Fantastic collet set. First day I had them I used at least three different collets. I would give 5 stars but, one of them had a couple of pieces of metal chips inside from the slot cutting. I could not hesitate to buy them again, just know you'll want to check each one before the first use to make sure any metal chips do not interfere with the closer. I used the 3/8 to tram the head on a new mill. I then used the 1/4" to hold a indicator to square up my new vise and to mill the vise keys to fit my slots. I then use the 1/8 to mill a slot in a part. The results were perfection.
J**N
Runout is minimal.
Great product. One problem was I received 2 7/16" collects, but no 11/32" collet.
D**E
ER collets
I have a multipurpose tool cutter/grinder. I like ER collets since they are simple to use and are offered in standard drill bit sizes. The quality of these collets is quite good, runout a little high but I am not using the collets in a rotating spindle. The collets simply hold the drill bits for cutting and grinding so runout is not an issue. Recommended
A**.
You get what you pay for
Most of the collets in the set are good but everything under 3/16 has increasingly poor runout
S**B
Nice set of er20 collets
Very nice collets. Work great in my homemade collet chuck on my lathe. Would for sure buy again.
M**R
Excelente producto
Durables, adaptables y de buena calidad...
J**N
Good Set
Excellent quality. Heck of a lot of pieces for the price. I don't know how anyone could complain. I've used 3-4 different sizes the first day or two and all work perfectly. Very happy.
M**Z
Good finish, run concentric in my chuck
I have had a metric set of ER32 Collets and purchased this imperial set, so far the Collets that I have used have run concentric and I have had no issues with them, I can now hold any size item between the two sets I now have
F**N
Decent manufacture and price
A great set for my wood lathe. Easy to change out and fits #2 mt head stock. Runs true with drill stock arbors that I use. Need to make a 3/8 thread draw bar.
B**L
Tool holder
Everything worked well
Trustpilot
2 months ago
1 month ago