CNC deep hole drilling - GIF

CNC deep hole drilling.

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Previously:

https://www.homemadetools.net/forum/...760#post223516
https://www.homemadetools.net/forum/...338#post204368
https://www.homemadetools.net/forum/...663#post182618
https://www.homemadetools.net/forum/...176#post188084
https://www.homemadetools.net/forum/...791#post136958

I have to use aircraft drills in my 3 axis machine for a project. It's always a pain. I spot drill the entry point first, then send in the aircraft drill. That GREATLY reduces the inaccuracy. But they still never drill perfectly straight.