reaming
To get the best results size, finish and location. I use recommended tool relief on reamer, proper speeds and feeds and lubricant. The reamer following the hole is very true and double drill. one drill just follows the other and results are usually a hole that is not round. I use an undersize end mill after the drill to insure proper shape of hole along with size and location. When possible I center drill large enough to leave a chamfer to help start the reamer into hole and reduce chatter. good luck hope I was a help
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Cal Lujan |