You can find any tool by the Menu Structure HERE: https://turbocaddoc.atlassian.net/wiki/display/TC21UG/Menu+Structure
You can find the menu location of any tool by name HERE: https://turbocaddoc.atlassian.net/wiki/display/TC21UG/Tools+Mapped+to+Menus
Delete Hole
Removes holes already defined in a slab.
- Start with a slab that has one or more holes defined. Activate Delete Hole and click the slab. Then click the object or objects whose hole you want to remove. If you want to remove more than one hole, press Shift and click multiple objects.
- Select Finish from the Inspector Bar or local menu. The hole is removed.