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Screws, sizing defining and sourcing "Click" to Login or Register 
Tony Roulston
posted
Hello, I have a broken screw that needs replacing.

My question relates to how I might describe the screw as there seems to be as many different sizes as there are watches in production.

The screw in question is the ratchet wheel screw. 4.84mm across the head, which is flat and 0.31mm thick. The threaded shaft is 0.82mm and is about 2mm long.

I have added picture of the movement and ratchet wheel. I guess what I really need is a box of assorted screws to have on hand.

Otherwise where might I find such items?

Regards, Tony

Missing ratchet screw.
 
Posts: 48 | Location: Canberra in Australia | Registered: May 16, 2012
Melvin Siedman
posted
Hi I have a stash of crown wheel screws like the pictures attached. There are 144 LEFT HAND ASSORTED SCREWS. (NOT counted)
For sale at $25 shipped anywhere in the USA.
3 pictures

 
Posts: 507 | Location: West Newton, Massachusetts USA | Registered: September 10, 2006
Melvin Siedman
posted
Picture #2

 
Posts: 507 | Location: West Newton, Massachusetts USA | Registered: September 10, 2006
Melvin Siedman
posted
Picture #3

 
Posts: 507 | Location: West Newton, Massachusetts USA | Registered: September 10, 2006
Tony Roulston
posted
Hi Melvin, email sent. I think I misspelled you name, sorry.

Tony
 
Posts: 48 | Location: Canberra in Australia | Registered: May 16, 2012
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