Annotate a drawing with dimensions or other instructions.
On the ribbon, click Annotate tab Feature Notes panel
Hole and Thread .
In the graphics window, click an edge or a circular edge to specify the hole.
In a side view (base, projected, detail, and section views), you can also click non-circular edges to place a hole or thread note.
Move the cursor and click to place the note.
When you are finished placing hole or thread notes, right-click and select Done.