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Originally Posted by Green57
I'm not sure what it costs to have a 9mm chamber cut, but it was an expense I didn't want to pay and a job that I didn't have the ability to do.
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I think most who work on these charge by the hour. Clymer used to have detailed instructions on their site, but not anymore (corporate takeover). Basically, you run your lathe as slow as possible, feed the reamer in 1/32" at a time, lube with sulphur based cutting oil every cut, and blow out the chips every cut. I use a free-floating reamer holder, and my reamers are solid pilot finish chambering reamers.
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There is a company that rents finish reamers so this is my next step for the project. If you guys are interested I can start a new thread on this project, I've taken a few pictures along the way.
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There are at least two companies who rent reamers; they're linked in other threads on this forum.
I'd enjoy reading another thread on chambering, thread cutting, tapering, crowning, pretty much anything you do on a Luger/Mauser/Lahti/Nambu barrel. I just enjoy machining.