Synonyms and Antonyms for countersink

1. countersink (v.)

insert (a nail or screw below the surface, as into a countersink)

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2. countersink (n.)

a bit for enlarging the upper part of a hole

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3. countersink (n.)

a hole (usually in wood) with the top part enlarged so that a screw or bolt will fit into it and lie below the surface

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