Home > Term: countersinking
countersinking
An operation in which a countersink tool enters the workpiece axially and enlarges the top portion of an existing hole to a cone-shaped opening. Countersinking is often performed after drilling to provide space for the head of a fastener, such as a screw, to sit flush with the workpiece surface. Common included angles for a countersink include 60, 82, 90, 100, 118, and 120 degrees.
- 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)