I've just joined this forum although I've been lurking here for years. I have run into a problem that I can't figure out. I'm reconditioning a large French solid brass chandelier. It's very old and uses screw sizes that do not seem to exist. Everything on it is 27TPI but the screws themselves are of differing diameters. The original screws are steel and mostly rusted and I'd rather not use them. Since I have a lathe, it should be easy but I can't turn 27TPI on my lathe. Is there any ideas that I've missed?
My last resort I guess is to drill out the holes and tap them but it won't be easy and then it's would be modified which I'm trying not to do.
My last resort I guess is to drill out the holes and tap them but it won't be easy and then it's would be modified which I'm trying not to do.