The 7 Best Er11 Extensions (2022 reviews)

Doublelife er11 extension is the epitome of what a great extension should be. The Doublelife Er11 Extension is suitable for extension of the tool holder cnc mill, replace the drill clip. Make sure this fits by entering your model number. The use of er chuck can be perfectly matched with all kinds of straight handle tool 6.extension rod diameter, and other parts have been precision grounded to eliminate unbalance and increase stability during cutting. Lastly, the doublelife er11 extension could be tightened straight high rigidity, strong clamping.

With no doubts, this extension passed the test and had very satisfied buyers eager to share their experience.

Why We Like This:

Size:39.6 x 19mm/1.56 x 0.75"(l x dia).
The nuts could be tightened straightly, high rigidity, strong clamping.
Lot of satisfied buyers.

Best For High Strength: 143 Er11 Extension

Buy on Amazon

143 has been making great extensions for years, thanks to a combination of clever design and appropriate materials. The 143 Er11 Extension is made for easy operation and has professional design. Use with any standard er collet chucks for coolant-thru tool applications, built in self-release design, never get stuck in a holder. The er11 collet set is made of high grade specially formulated spring steel, high strength and hardness, heat treated, wear resistance, surface treated, rust - proof, durable in use.

The extension is made with exquisite workmanship and has a durable design. Most importantly, the 143 er11 extension allows for strong clamping force, It is great for wide applications and has an exquisite design.

Why We Like This:

This is widely used for boring, milling, drilling, silk attack, sculpture, cnc, and other processing.
Lot of satisfied buyers.

Best For Lathe: Hilitand Er11 Extension

Buy on Amazon

If you often find yourself scrambling for an appropriate and satisfactory extension, Hilitand Er11 Extension should be your first option for buying. The hilitand er11 extension is well packed in a protective container with a label for safe transportation and convenient storage. Extension rod diameter and the other parts are precision grounded to eliminate unbalance, increase safety during cutting. And, this can be directly tightened to provide a powerful clamping force.

The extension is made of high quality steel for milling lathe tool and work-holding engraving machine. Finally, the hilitand er11 extension is perfect for deep processing and it is suitable for inner diameter.

In conclusion, for almost all customers, it was what they were looking for.

Why We Like This:

This fits for deep processing, meeting the needs of extending the depth of processing.
This is suitable for deep hole processing.
This is made of high quality steel, shank with a clamping nut to be tightened.
This can be used in boring, milling, drilling, tapping, grinding and other processing.

Best For Very Good Grip: Ftvogue Er11 Extension

Buy on Amazon

Best part: Ftvogue Er11 Extension costs comparatively little and it is available to ship in 24 hours. The FTVOGUE er11extension is very accurate, It would be perfect with exquisite workmanship and has exquisite design. The manufacturer says: We have been listening to the voice of our customers and provide you with more considerate services. And, the extension is designed for high reliability, is accurate, it is new and has a professional design.

Above all, the ftvogue er11 extension is made of high - grade specially formulated spring steel, high strength and hardness, heat treated, wear resistance, surface treated, rust-proof, durable in use.

Overall, for almost all customers, the extension was what they were looking for.

Why We Like This:

Widely used for boring, milling, drilling, silk attack, sculpture, cnc, and other processing.
Delivers what they promise.

Best For High Hardness: Ywblwh Er11 Extension

Buy on Amazon

The Ywblwh Er11 Extension is capable of outshining several other extensions featured in this list in overall features in its price range. The ywblwh er11 extension is suitable for deep hole processing, which can solve extended depth of processing needs. Make sure this fits by entering your model number. The extension rod diameter and other parts all through precision grinding, eliminate unbalance, to increase security when cutting. Lastly, the ywblwh er11extension is suitable for long-term use and will not affect the accuracy of the work.

Customers also found that its wise to buy a er11 collet set, along with this extension.

Why We Like This:

Extended handle: extended straight shank type handle, with longer handle body.
Good investment for the long term.

Best For Other Products: Gnlian Er11 Extension

Buy on Amazon

Next on the list, we've got yet another extension that manages to win our hearts. It's the Gnlian Er11 Extension and it's widely considered as the extension that has the most suitable features. Make sure this fits by entering your model number. In addition, the extension is well packed in a separate protective container with a label. When it comes to finding a reliable extension, the gnlian er11 extension is definitely your first choice.

Why We Like This:

Hardened and precision ground.performance stability,high accuracy.durable in use.
Built in self-release design and tools will never get stuck in the holder.
Use with any standard er collet chucks for coolant-thru tool applications.

Best For Standard Size: Liebewh Er11 Extension

Buy on Amazon

For a low asking price, Liebewh Er11 Extension has managed to overwhelm their customers by packing as many features as they could. The liebewh er11 extension is designed for wood cutting for various purposes. The manufacturer says: We are committed to providing better help for your work and life. The lathe collet chuck holder adopts advanced vacuum hardening, which helps increase the hardness of the tool holder and enhance the shock resistance ability.

The extension has a standard size, easy to disassemble, and can easily install various drills and reamers, etc. And, this is great for wide applications and it is easy to use. Most importantly, the liebewh er11 extension.

Why We Like This:

gives you greater access to difficult welding positions.
The matching collet chuck can be used to assemble the nut 3.
Incorrect assembly may damage the accuracy of the nut and spring 2.