> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://clockworks.crisp.help/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Where can I replace a Hole-End Clock Mainspring?

*   [Knowledge Base](https://www.clockworks.com)
*   Hole-End Clock Mainspring Replacement Service

### Article sections

## Hole-End Clock Mainspring replacement service

For a hole-end clock mainspring replacement, send [clockworks](https://www.clockworks.com/) the [clock barrel](https://www.clockworks.com/posts/hermle-mainspring-barrel-numbers) and we will swap out the [mainspring](https://www.clockworks.com/clock-parts/clock-movement-hole-end-mainsprings.html). Leave the [Hole-End clock mainspring](https://www.clockworks.com/clock-parts/clock-movement-hole-end-mainsprings.html) within that barrel. The price for this service is $80 and includes the cost of the [Hole-End mainspring](https://www.clockworks.com/clock-parts/clock-movement-hole-end-mainsprings.html) and shipping back.

### What will be done

[clockworks.com](https://www.clockworks.com/) will remove the broken or worn spring from the container in a safe way. Then measuring the thickness and width and stretching it out to get the length. Next we will use the chart to get the right one from the list. We will then pull that spring from the inventory that is already here with us at [Clockworks](https://www.clockworks.com/). The installation of the spring will be done with the special tool called a [mainspring winder](https://www.clockworks.com/product/webster-clock-mainspring-winder-unwinder).

### Sending the Hole-End mainspring

Please send the barrel with the broken [Hole-End clock mainspring](https://www.clockworks.com/clock-parts/clock-movement-hole-end-mainsprings.html) to us. Sent it to [Clockworks](https://www.clockworks.com/) PO Box 339 Huntington MA 01050. Please send with a check for $80 and a note with the contact information.

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_The content of this website is copyright by [Clockworks](https://www.facebook.com/ClockworksUSA) and written by [James Stoudenmire](https://www.facebook.com/james.stoudenmire) in year 2020_

Last Updated: 2 months ago in

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