- Click Annotation > Centerline
on the CommandManager.
- Select the parallel lines on the section view, as shown below. The centerline is created.

- Click OK
on the PropertyManager.
- Click Annotation > Center Mark
on the CommandManager.
- On the PropertyManager, under Manual Insert Options section, click the Circular Center Mark
icon.
- Select the outer circles of the counterbore holes

- Click OK
on the PropertyManager.

- Activate the Center Mark
command.
- On the PropertyManager, under the Auto Insert section, check For all slots.
- Check the Circular lines option and uncheck all other options.
- Click the Arc Slot Ends
icon under the Manual Insert Options section of the PropertyManager.
- Activate the Slot Ends
icon.
- Select the front view and click OK.
