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Good source for generic watch screws

LeeReynolds

By LeeReynolds
in Watch Repairs Help & Advice

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LeeReynolds Member

LeeReynolds

Posted
Posted

I've managed to lose a screw to the watch I'm working on.  Not sure how, but it is gone.

I've found a replacement : http://www.ofrei.com/page1418.html  ( Plate/Bridge Screw )

However, at almost $4 a pop, I think this is kind of expensive for a single screw.

 

So my question is this:  What is a good online source for assorted watch movement/case screws?

I'm looking on Ebay and keep finding kits for eyeglasses.

 

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jdm Distinguished Member

jdm

Posted
Posted
11 hours ago, LeeReynolds said:

I think I might have found the answer to my own question:

May be good for you in the US, but normally American sellers. for one reason or another, aren't good for the rest of the world.
Cousins UK has a good choice of Swiss screws (while they last)  and ships at actual cost anywhere in the world.
https://www.cousinsuk.com/category/screws-wristwatch-movement

 

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      I'm assuming that every time you set the watch you are work hardening the detent spring, maximum hardening is  where it meets the plate due to maximum deflection.   That's why it snaps there.  The Young's modulus may be the same but after it's reached its maximum yeid strength it breaks.  My mechanic engineering is very rusty, correct me if I'm wrong. 
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