Mastering Tap Speeds and Feeds for Clean Threads
Finding the right tap speeds and feeds is often the most nerve-wracking part of a job, especially when you're working on a finished part that's already had hours of machining time put into it. There is nothing quite like the heart-sink feeling of hearing that "tink" sound when a tap snaps off deep in a hole. Most of the time, those disasters happen because we either pushed the tool too hard or, surprisingly, didn't run it fast enough to let the geometry do its job. ...