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Home > Mechanical Clock Movements > Helpful Hints > How To Determine Maximum Dial Thickness

How To Determine Maximum Dial Thickness

How To Determine Maximum Dial Thickness

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When referring to maximum dial thickness - we are actually referring to the TOTAL thickness of the clock face (to include any material the face may be mounted/attached to). It may help to give an example as well (which will be provided below the suggested steps)...

The maximum dial thickness indicates the length of the threaded center shaft portion of a quartz movement. While the center shaft itself is much longer than the threaded portion, the threaded portion is the portion which must protrude through the clock face in order to secure the hex nut (and thereby secure the movement). NOTE: This does not account for movements secured with a threaded bushing (where dial thickness requirements must be more exact).

Suggested Steps to Determine Maximum Dial Thickness:

Step One: Determine the thickness of the clock face itself.

Step Two: Determine the thickness of any mount board that the clock face may be attached to (if applicable). Some clocks may not feature any sort of mount board. If a clock case should not have a mount board, then only the thickness of the clock face would be required.

Step Three: Select a dial thickness that will accommodate the resulting total of the dial face + the mount board thickness. Once again, if no mount board is used, then simply use the thickness of the clock face as the total thickness.

Example - I have a metal clock face which is 1/16" thick. It is attached to a 1/4" piece of plywood veneer. The maximum dial thickness would be equal to 1/4" + 1/16". Therefore, the customer should select a shaft that has (at least) 5/16" maximum dial thickness (or greater).

If the maximum dial thickness is greater, customers can space the movement back within the case with rubber gaskets or a spacer block (a simple, square block with a center through hole for the center shaft).

For Example: Let's say that the maximum dial thickness is 3/8" - but our clock face/dial board combined thickness is only 5/16". We can use a spacer to help take up the excess shaft length. In this example, we would require a spacer that was 1/16" in thickness. Whether using rubber gaskets as spacers, or scrap wood blocks with a center thru hole, the result will still be the same.

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I have a 24 inch round piece of wood that is 1 inch thick. I'd like to make it into a clock. Can you recommend a movement that will work for wood this thick?

Asked by: britten
Hi Britten, we don't currently offer a hand shaft to travel through 1" material. Our #10161 clock movement can go through a maximum 3/4" material. If possible, we recommend thinning out your wood material (in the back where the clock movement would insert in to) to allow for more room for the movement's hand shaft to pass through the material and allow hardware to be attached on the front side. If you have any questions on this information, please contact us at 1-800-556-2548 or
Answered by: Klockit
Date published: 2016-08-02

I have a hubcap that I'm converting into a Clock need a movement with at least 2 inch shaft length. What movement should I buy?

Asked by: drrawson
We'll need to know the thickness of the hubcap before providing a movement recommendation. Please check your email for more details.
Answered by: Klockit
Date published: 2016-04-19

Im looking to build a custom clock out of various parts that are rather thick. is there a way to increase the maxim dial thickness or do you have certain movements with very large maximum dial thickness ?

Asked by: B Miles
There is not a way to increase the maximum dial thickness. The movement with the longest hand shaft that has the most threads is #10161. This movement has a max dial thickness of 13/16". If that will not work for your project, we recommend thinning out the material in order to accommodate a quartz movement. Please contact us at 1-800-556-2548 with any questions on this information.
Answered by: Klockit
Date published: 2016-02-03

I'm looking for assembly directions for the clock parts I have received. There are rubber washers, spacer rings and brass nuts which I assume are needed in the assembly, but I cannot find instructions anywhere on the site. This is a first time attempt on

Asked by: Tom3825
Hi Tom, we're sorry to hear the assembly directions were missing from your order. We just sent you a follow-up email with step-by-step assembly instructions for your movement.
Answered by: Klockit
Date published: 2016-01-10
  • 2016-10-22T10:52CST
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