Where to buy jewel holes?
I've been trying to find a supplier within the EU of jewel holes like the ones @Mark is using in the following video:
Ideally, I'd like to be able to order a certain size like the Seitz jewels shown in the video. I was pretty sure cousinsuk.com would have them but they only seem to have assortments of jewel holes. Any suggestions?
Also, in this video (part 1 of 2), Mark is using a "pivot hole gauge". Any idea of where to get one?
And while on the topic, I need to learn m
You can mic the pivots but when you get below about 0.12mm there's a real risk of forming flats on the pivot. The screw mechanical advantage in the micrometer is so great that by the time you feel it "stop" you've made the flats. This is where the jewelled pivot gages shine. The best are the Seitz 'straighteners' that are gaged in 0.0025 increments. Down to 0.06mm if you get lucky. Not cheap, worth every penny.
