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Mechanical Clock Hand Nuts

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Mechanical clock hand nuts

One of the most common parts a Mechanical clock needs is the hand nut. As previously stated, the older the clock the harder things are to find. The hand nuts Clockworks offer are for movements made after the 1930's.

Prior to 1930 clock hand nuts

There were not many standards on what the hand nut size should be on the early clocks. However, prior to around 1930 there is no telling what will work. In other words, it is literally trial and error. There was no standard hand nut size. Any hand nut we offer, may, or may not, work. This includes cuckoo hand nuts, American clock hand nuts, or German hand nuts. However, with even all of these assortments, there is a chance none of them will work on the clock.

Post 1930 clock hand nuts

Generally speaking, what we have to offer in the three types of clock hand nuts will cover most of the post 1930 Mechanical clocks. The cuckoo hand nuts fit about 80% of the post war German made cuckoo clocks. The American clock hand nuts fit many of the mechanical time strikes that were so popular. German hand nuts fit most post war German made mechanical clocks, with the exception being a few large grandfather clocks.

Clocks that do not take a hand nut

Not all clocks require a hand nut. Some antique mechanical clocks require a clock hand washer and a tapered pin instead. These secure the minute hand as an alternative to the hand nut. The washer may have a small square hole, or large, oblong or round hole. Clockworks offers an assortment of 100 clock hand washers that includes all the styles mentioned. A tapered pin is used to secure the hand with the washer on top of it. The taper pin is inserted into a hole in the end of the minute hand arbor to secure the washer and minute hand to the clock. A taper pin is a small brass or steel rod that is wide on one end and skinny on the other. Clockworks offers them in an assortment of 100 to ensure the right one is there.

The content of this website is copyright by Clockworks and written by James Stoudenmire in year 2020

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Mary A. Powers
Mary A. Powers
8 months ago

I’ve lost the small black hand nut for a “Heywood- Wakefield 1826” grandmother clock purchased sometime in the 1960s. It’s not antique, likely made in the 1960s (by now defunct Heywood-Wakefield Company in Gardner,MA) but works fine. Tag inside clock says “imported Hermie movements”. Can you advise the proper size hand nut that would work? If not, should I look at German or American hand nuts? Can send photo, if desired. Thank you.
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Came off and I lost it. How do I know what size no
Came off and I lost it. How do I know what size no
4 months ago

I have a Howard Miller wall clock that has three times in a silence mode. Is a wall clock and a hand not Came off and I lost it. How do I know what size not to get, and do you sell those?

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