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ER20 A Type Collet Clamping Nut fits CNC Milling Collet Chuck Holder Lathe

Description

Condition:100% Brand New & High Quality

Size:As Picture

Fitment:For ER collet milling CNC chuck holder.
Specification:
Model: ER20A
Material: Carbon steel
Feature:
Hardened and precision ground.
High strength and hardness.
Durable in use.

Mounting and Removing:
1.Place collet into the clamping nut at an angle and turn the nut slightly to engage with the extractor spiral in collet groove. And then push the collet evenly into the nut in the directions of the arrows.
2.The cutter / router bit may be fitted now and the assemblies tightened hard into the chuck body by using a collet wrench.
3.To remove the cutter / router bit, slacken and undo the nut until resistance is felt. Then, using a collet wrench, further undo the nut until the collet is released from the chuck body. Removal of the collet from the nut is the reverse of the mounting procedure.

Please note:
1、Please don't tighten the nut down before insert the cutter / router bit. Or you will damage the collet.
2、You need to tighten the nut down, but not over-tighten. Or you will damage the collet.

Package Include:1 x ER20A type Clamping Nut

Please compare the goods appearance, shape, size with your original goods before ordering. Thank you very much.

If any questions, pls do not hesitate to contact us. We will get back to you as soon as possible.

BBBMT0189

Payment

Paypal, Visa, and MasterCard are the accepted forms of payment.

Shipping

We provide professional shipping ways. Make sure the items arrive quickly.
Your order will be dispatched within 3 working days of receiving payment (Monday-Friday) before 12am.

About Me

Your satisfaction is our long term pursuit and up-most concern. If you want to get in touch with us, it is preferable that you email us. We will try to answer most emails within 2 business days.

For any questions, please leave a message to us during our working hours: 8:30am ~ 17:00pm，Monday ~ Friday.Our apologize for late reply on Weekends & holidays.

Think carefully before leaving neutral/negative feedback.
Please feel free to contact us via e-mail first should there be any problem with the item you received.

This item does not include a paper manual. If you have any questions during installation, feel free to contact us anytime.

Condition:100% Brand New & High Quality

Size:As Picture

Fitment:For ER collet milling CNC chuck holder.

Specification:

Model: ER20A

Material: Carbon steel

Feature:

Hardened and precision ground.

High strength and hardness.

Durable in use.

Mounting and Removing:

1.Place collet into the clamping nut at an angle and turn the nut slightly to engage with the extractor spiral in collet groove. And then push the collet evenly into the nut in the directions of the arrows.

2.The cutter / router bit may be fitted now and the assemblies tightened hard into the chuck body by using a collet wrench.

3.To remove the cutter / router bit, slacken and undo the nut until resistance is felt. Then, using a collet wrench, further undo the nut until the collet is released from the chuck body. Removal of the collet from the nut is the reverse of the mounting procedure.

Please note:

1、Please don't tighten the nut down before insert the cutter / router bit. Or you will damage the collet.

2、You need to tighten the nut down, but not over-tighten. Or you will damage the collet.

Package Include:1 x ER20A type Clamping Nut

Please compare the goods appearance, shape, size with your original goods before ordering. Thank you very much.

If any questions, pls do not hesitate to contact us. We will get back to you as soon as possible.

BBBMT0189

On Mar 18, 2026 at 15:59:49 PDT, seller added the following information: