Right now if you cut half your thread or need to just take a couple more thou. off your Pitch diameter there is not way to do this without re-running the entire program and wasting time and cutting lots of air. I suggest that under the Passes dialog window we add a section that says, Depth of first pass: and also Depth of subsequent passes: This way you can start half way into a threaded part without changing your depth of cut. Lets say we are threading something with a thread depth of .1299. I've gotten close to that number but need to take more off, we can set that number lower lets say .135 and then say we want your depth of first pass to be .125 and then we can finish the thread and only take several passes instead of cutting all that air. As far as I can see there is no good option for doing this currently.
