Clock keys come in different numbers (e.g # 6 or #10 etc). These numbers represent the size of the winding shaft of your clock, which will in turn tell you which key to purchase. If you don’t know what size key you require you’ll have to measure the thickness of your winding key shaft in your clock using a vernier caliper, then refer to the picture below to purchase the relevant key.
Important Note: make sure to order one size above your measured shaft size. So if your measured shaft size is 2.75mm (Key #2), you should order Key #3.
This brass winding key is labelled as #10, with a winding key shaft size of 4.75mm. It will suit most mechanical clocks. Each key is stamped with the key size and key square dimension.
SKU
20031916
Model #
BO25.NO10
Type
Winding Keys
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Take advantage of our great shipping rates that includes FREE delivery for all orders over $400*. (*excluding Grandfather Clocks - specialised carriers and insurance is required for all Grandfather Clock deliveries). Read More
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All purchases from Clock Shop also come with our Happiness Guarantee policy - We will happily exchange or refund any product that you are not 100% happy with. To request an exchange or refund, simply contact us within 7 days from the date your item/s arrived. All of our products are quality checked before they are shipped out. If you receive a faulty item from us upon delivery, please contact us immediately at support@clockshop.com.au