How can a hole be created on a cylinder?

I want to create a concentric hole on this cylinder with hole tool. How to do it.

4 Answers

It's easy to create the holes on the cylinder.
follow these steps.

Answered with a tutorial: https://grabcad.com/tutorials/how-can-a-hole-be-created-on-a-cylinder

CLICK HOLE,than for first reference select axis of the cylinder,and as a second reference whatever plane you prefer of the cylinder.

but how to make hole on the OD of the Cylinder?

Here is video to create the same....
https://www.youtube.com/watch?v=8dGRmmQOJx8