Home > Term: counterboring
counterboring
An operation in which a counterbore tool enters the workpiece axially and enlarges the top portion of an existing hole to the diameter of the tool. Counterboring is often performed after drilling to provide space for the head of a fastener, such as a bolt, to sit below the surface of a part. The counterboring tool has a pilot on the end to guide it straight into the existing hole.
- Part of Speech: noun
- Industry/Domain: Manufacturing
- Category: Industrial manufacturing
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- Kevin.Li
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(Los Angeles - CA, United States)