The format for hole notes is controlled by the hole note's associated dimension style.
Before you begin a drawing, define a dimension style with a hole note definition for each hole type.
Select Manage tab Styles and Standards panel
Styles Editor to open the Style and Standard Editor. Expand the Dimension style category, and then double-click a dimension style.
In the Dimension Style window, click New to create a style, if needed.
Click the Notes and Leaders tab. Hole Note Settings option is selected by default.
In Note Format, select a hole and thread type.
In the Options box:
Click Values and Symbols buttons to add their variable names in the edit box.
In the General Settings box:
In Thread Note Settings, select Custom Designation to apply the custom thread designation field from the Thread.xls spreadsheet instead of the default note.
Select another hole and thread type and define its settings. Repeat for each hole type in the drawing.
To customize appearance for dual hole notes, open the Alternate Units tab. Then click Hole Note Dual Format, and select a format from the list. Select the Group Dual Values Together option to use adjacent placement of dual dimensions within hole notes.
In the drawing view, right-click a hole note, and select Edit Hole Note or double-click a hole note. In the Edit Hole Note dialog box, Hole Type, and Thread Type cannot be edited.
In the Options box:
In the edit box, click and Backspace to remove existing values.
Click Values and Symbols buttons to add their variable names in the edit box.
Click OK to apply the new settings to the selected hole note.