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Counterbore

Translation
Counterbore
Counterbore Coun"ter*bore` (-b?r`), n. 1. A flat-bottomed cylindrical enlargement of the mouth of a hole, usually of slight depth, as for receiving a cylindrical screw head. [1913 Webster]

2. A kind of pin drill with the cutting edge or edges normal to the axis; -- used for enlarging a hole, or for forming a flat-bottomed recess at its mouth. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

  
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  • Counterbore — Coun ter*bore (koun t?r b?r ), v. t. To form a counterbore in, by boring, turning, or drilling; to enlarge, as a hole, by means of a counterbore. [1913 Webster] …   The Collaborative International Dictionary of English

  • Counterbore — A counterbore in a metal plate A counterbore can refer to a cylindrical flat bottomed hole, which enlarges another hole, or the tool used to create that feature. A spot face is a very shallow counterbore. A counterbore hole is used when a… …   Wikipedia

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  • counterbore — 1. noun a) A cylindrical recess, typically machined around a hole to admit a screw so that it sits flush with a surface. b) The tool with which a counterbore is machined …   Wiktionary

  • counterbore — циковка …   Большой англо-русский и русско-английский словарь

  • counterbore — counter bore 1> тех. зенковка; конический зенкер …   Новый большой англо-русский словарь

  • counterbore — counterborer, n. /kown teuhr bawr , bohr ; kown teuhr bawr , bohr /, n., v., counterbored, counterboring. n. 1. a tool for enlarging a drilled hole for a portion of its length, as to permit sinking a screw head. 2. the portion of the hole so… …   Universalium

  • counterbore — циковка …   Англо-русский технический словарь

  • counterbore — 1. раззенкованная часть замков бурильных труб 2. развёртка; отверстие, обработанное развёрткой || развёртывать отверстие * * * раззенкованная часть (напр., замков бурильных труб) * * * употребляется в сочетаниях counterbore of tool joint …   Англо-русский словарь нефтегазовой промышленности

  • counterbore depth — глубина расточки …   Большой англо-русский и русско-английский словарь