If your insearting a internal cosmotic threads for a hole or a revolved hole,

one need to change the minor dia tap to major dia tab in cosmotic threads feacture manager.

1. Select the hole to which you want to give internal threads, example you made a hole of 3.2 for M4 threads.

2. You will not find major dia tab but you will find minor dia tab

3. Just enter value less than hole diameter and say okay.

4. Once you said okay, it show a update symbol of error then go to eddit the cosmotic threads now you will be happy to see its changed to major diameter.

5. Enter the requred value in the field. i.e 4mm (M4).