In SolidWorks 2013, you can exclude selected components in Interference Detection. You can filter components with matching cosmetic threads from Interference Detection results and place them in a separate folder. You can exclude interferences involving hidden components, as well as exclude selected components from Interference Detection results. Optionally, you can specify to remember components to exclude from session to session. This video shows how this applies to cosmetic threads.
You can visit our new SolidWorks 2013 website to see all the major updates when it launches on September 10. In the meantime, if you want to learn more about how SolidWorks can help your business, check out the videos in our Demo library.