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Watch Pin Rounding Cutter


Titanium

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In George Daniels book "Watchmaking" he talks about "rounding cutters" which are used for rounding the ends of pins however I can't find one anywhere. Does someone know where to buy them or be able to give me a Bergeon part number. I have attached the images from the book.Thanks.

 

 

Rounding.jpg

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Yes I made my own, I used 1/8 inch silver steel and a triangle file and filed the grooves at 90 degrees to each other.

I then hardened the silver steel and tempered it to straw colour.

I then fitted it into a brass handle made like a watchmakers screwdriver.

If clocks interest you I recommend the book 'Tools for the Clockmaker & Repairer' by John Wilding which goes into details of making many tools including this one.

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3 hours ago, Tmuir said:

Yes I made my own, I used 1/8 inch silver steel and a triangle file and filed the grooves at 90 degrees to each other.

I then hardened the silver steel and tempered it to straw colour.

I then fitted it into a brass handle made like a watchmakers screwdriver.

If clocks interest you I recommend the book 'Tools for the Clockmaker & Repairer' by John Wilding which goes into details of making many tools including this one.

    good show!  make your own,  "tool maker".    vin

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On 7/12/2018 at 10:17 AM, Tmuir said:

If clocks interest you I recommend the book 'Tools for the Clockmaker & Repairer' by John Wilding which goes into details of making many tools including this one.

Thanks for the advice. I’ve ordered in some cup burrs and they do the job well.

I’ll check the book out as I seem to spend quite a bit of my time modify non watch tools into “watch tools”.

And whilst I’m at this it’s worth mentioning just how divers a tool a micromotor is.

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