Often we want to display the actual thread in the hole, with this tutorial it is quick and easy
All you need is two parts. This is the first part with hole, and by the way there is a chamfer 1/30°...
The second part we have in the toolbox, it`s a scew
Save both parts, and than we can insert screw into the first part. In this case we can use the mate for the positioning screw into the hole, as seen on the picture...
We can use concentric mate for the positioning screw into the hole...
Than just use Boolean operations, subtract one part from another
This is a result with rendering