American PW Key Wind Dials

Discussion in 'Watch Repair' started by Tim Fitzgerald, Oct 20, 2019.

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  1. Tim Fitzgerald

    Tim Fitzgerald Registered User
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    Would anyone know a source for dial taper pins. I can buy hairspring pins (to small) & the too big which I have to shave down .
    Thanks
    TimFitz
     
  2. Chris Radek

    Chris Radek Registered User
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    I have always just filed them up as I need them. Start with a small brass rod, like from that display at the hardware store, spin it with one hand against some part of your bench you don't care about getting filed a bit, file it until it goes in the right amount. Press it in nice and firm, mark with a graver where it should be cut off, pull it back out and cut it to length. Do all the filing and fitting while it's still attached and it's really easy and quick.
     
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  3. Rob P.

    Rob P. Registered User

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    You can also get brass rod at your local hobby store in various diameters. They use it for model trains and RC planes so they usually have a large selection in stock.

    Other than that, I have a bag of assorted sizes I use. I think I remember getting it from Timesavers but most of the supply houses should have something similar.
     
  4. leeyaklin_e4a045

    leeyaklin_e4a045 Registered User
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    I found some on ebay a while back. There were several sellers who had them, but all of them were from the United Kingdom. The seller I purchased from sold them for use in verge fusee watches. They worked in my 1857 movement.
     
  5. Jerry Kieffer

    Jerry Kieffer Registered User
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    #5 Jerry Kieffer, Oct 25, 2019
    Last edited: Oct 25, 2019
    Tim
    Taper pins of any size, taper or length can be machined on a capable Lathe per attached photo. They can also be tapered to match a broach per second photo by placing the broach in the Lathe and setting the tool against the broach taper. In this manner, a hole can be touched up to match the taper of the pin providing far greater security than a non matching taper.
    Larger sizes are shown for procedure illustration purposes, however hairspring sizes are no issue with a quality lathe tool and proper setup.

    Jerry Kieffer

    DSCN7218.JPG DSCN5424.JPG
     
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  6. D.th.munroe

    D.th.munroe Registered User

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  7. Tim Fitzgerald

    Tim Fitzgerald Registered User
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    Thanks for the information, just ordered some :)
    TimFitz
     
  8. Rick Hufnagel

    Rick Hufnagel Just Rick!
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    Oct 25, 2018
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    I grabbed a pack of 1/32" rods, thinking i was now set for life! They arr pretty thick and will require allot of shaping...

    What size rods would you recommend?
     
  9. Dave Coatsworth

    Dave Coatsworth Forums Administrator
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    #9 Dave Coatsworth, Oct 26, 2019
    Last edited: Oct 26, 2019
    Be warned that those Timesavers taper pins are larger than advertised. That's where I got my stock until recently. The last two batches have been oversized. I've discussed it with them and they are going to discuss with their supplier but, for now, all of their stock is oversized and will not fit a dial pin hole. (The minimum size is actually 0.013".)
     
  10. Skutt50

    Skutt50 Registered User

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    I know this is related to American pocket watches but I still want to mention something I observed on European fusee movements.

    The movement is held together with brass pins however I often find steel pins holding the dial! I don't think it is a coincidense since I have seen it on quite a few watches!
     
  11. D.th.munroe

    D.th.munroe Registered User

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    I hope they fix the error in size that gets quite annoying. I did recommended those because they are smaller than these .016 to .030 which seem to be small enough for these dials

    15721219749161795305872618759931.jpg
     
  12. Dave Coatsworth

    Dave Coatsworth Forums Administrator
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    The advertised size of 0.010" is perfect for dials and I've been reselling them for years. It's just this past year that they got a bad shipment and didn't realize it until I complained. 0.013 is just a bit fat. The end will barely go through a dial pin hole.
     

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