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By nickelsilver · Posted
The old Bergeon dies were actually pretty good. It's a shame they don't do them anymore. Also, you used to get in-between sizes, 0.35, 0.45 etc., which you do run across sometimes on old pieces. This is actually where the Martin screwplates can be useful, as they sort of bridge the gaps. I made some parts for an old repeater recently where one of my Martin plates was an exact match. For making normal NIHS metric male threads nowadays the go-to is thread rolling dies from Habegger. Those and very excellent taps are available from Asco-Schurch (and both at very reasonable prices). I saw recently on Instagram that Michael Chung, who makes the really nice watchmaker lathe, is producing normal cutting dies in watch sizes. He doesn't have a website so you have to message him over IG to find any info, but I think I'll write to see what sizes are available and pricing. If they are as good as his lathe they are at Swiss pro level. In some cases the rolling dies just aren't applicable, and you either have old stock cutting dies, or have to make one. -
Thank you for this suggestion. Got to do it: The first slipped, the only way to test the second was to swap the barrels around, it also slipped when wound manually. Left them in that configuration, put the idle gear/ Ratchet Winding wheel/ intermediate wheel back in place etc and, while it's heavier, both appear to slip 🤞 Thank you, everything here was great help -
If was lucky enough to find an almost complete tap/die set in a lot. The 8mm 030 dies are really tiny, but the small taps will also require a really (!) soft touch.. 😉 -
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Thanks. Could I trouble you for a suggested alternative to uv glue?
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