counterbore Definition
- 1a cylindrical flat-bottomed hole that enlarges another hole to allow the head of a screw or bolt to be recessed below the surface.
- 2a tool used to make a counterbore.
Using counterbore: Examples
Take a moment to familiarize yourself with how "counterbore" can be used in various situations through the following examples!
Example
The counterbore allows the screw head to sit flush with the surface of the material.
Example
The machinist used a counterbore to create a recess for the bolt head.
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Summary: counterbore in Brief
A 'counterbore' [koun-ter-bawr, -bohr] is a cylindrical hole that enlarges another hole to allow the head of a screw or bolt to be recessed below the surface. It is created using a tool called a counterbore. An example sentence is 'The machinist used a counterbore to create a recess for the bolt head.'
