About The Word Countersink
Learn about the word Countersink to help solve your crossword puzzle. Discover Countersink definitions and meaning, origins, synonyms, related terms and more at the free Crossword Dictionary.
Countersink
| Countersink Definition And Meaning |
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What's The Definition Of Countersink?
[n] a bit for enlarging the upper part of a hole
[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 [v] insert (a nail or screw below the surface, as into a countersink) Synonyms | Synonyms for Countersink: counterbore | countersink bit | set Related Terms | Find terms related to Countersink: See Also | bit | bury | hole | sink Countersink In Webster's Dictionary \Coun"ter*sink`\ (koun"t[~e]r*s[i^][ng]k`; 277), v.
t. [imp. & p. p. {Countersunk} (-s[u^][ng]k`); p. pr. & vb.
n. {Countersinking}.]
1. To chamfer or form a depression around the top of (a hole
in wood, metal, etc.) for the reception of the head of a
screw or bolt below the surface, either wholly or in part;
as, to countersink a hole for a screw.
2. To cause to sink even with or below the surface; as, to
countersink a screw or bolt into woodwork.
\Coun"ter*sink`\, n. 1. An enlargement of the upper part of a hole, forming a cavity or depression for receiving the head of a screw or bolt. Note: In the United States a flaring cavity formed by chamfering the edges of a round hole is called a countersink, while a cylindrical flat-bottomed enlargement of the mouth of the hole is usually called {a conterbore}. 2. A drill or cutting tool for countersinking holes. |
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