That chart has been superseded by the feeds and speeds in current versions of Carbide Create — please use those. We also have some videos on feeds and speeds which you may find helpful in rolling your own:
Often when a tool slips in a collet it is due to using the button and one wrench to tighten it — we recommend using the button to only hand tighten, then a pair of good quality wrenches to fully tighten.
Discussion of tools here: