Been there, done that. he was talking about a soil auger wasn't he?
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19 years ago
how to make deep drilling tool?
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19 years ago
If you know any gunsmith, he should be able to show you how rifling was made in pioneer times. It's basically a draw scraper, similar to an adjustable reamer but with a twist built in. It can be pulled through with a piece of all-thread rod and a nut. Bugs
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19 years ago
There's always bowling balls:
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:)
Jon