Quote:
Originally Posted by sheepherder
Since it's only .004" or .005", I had thought of a reamer one thousandth larger than the actual bore diameter. They're ~$25, and the next size up [at Travers] from .347" is .349" ...That would mean only taking .001" off each land...Wouldn't do anything to the grooves, but still...If you're selling a dozen or so and they're all sewer pipes, it might be worth it to pump up the price... 
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You may be able to get away with it as long as you're leaving some rifling...