- counterbore
- 1) цилиндрическая зенковка2) раззенкованная часть отверстия
Англо-русский строительный словарь. 2013.
counterbore
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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 — 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… … 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
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 — noun 1》 a drilled hole which has a wider section at the top. 2》 a drill whose bit has a uniform smaller diameter near the tip, for drilling counterbores. verb drill a counterbore in … English new terms dictionary
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 — coun·ter·bore … English syllables
counterbore — Enlarging a hole to a certain depth … Dictionary of automotive terms
counterbore — noun a bit for enlarging the upper part of a hole • Syn: ↑countersink, ↑countersink bit • Hypernyms: ↑bit … Useful english dictionary
Butt joint — For the geometry in welding, see Butt joint (welding). A butt joint is a joinery technique in which two members are joined by simply butting them together. The butt joint is the simplest joint to make since it merely involves cutting the members… … Wikipedia
Crankset — A Shimano Deore right crankset, showing crank arm, spider, three chainrings and chainring guard … Wikipedia
