In the example below, the hole on the right is threaded whereas the
hole on the left is non-threaded.

      
      
        
        - 
          In the previewThreaded hole
  
 Non-threaded hole
  
 
- On a drawing
The hole on the right is threaded whereas the
hole on the left is non-threaded.
  
 To display threaded holes on a drawing, make sure the  Generate
threads check box is selected in  tab.
 For more information, see Part Design User's Guide: Creating Threaded Holes.