Авиасловарь. . 2004.

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  • Countersink — 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 …   The Collaborative International Dictionary of English

  • Countersink — 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. [1913 Webster] Note: In the United States a flaring cavity formed by chamfering the edges of a round hole… …   The Collaborative International Dictionary of English

  • countersink — ► VERB (past and past part. countersunk) 1) enlarge and bevel the rim of (a drilled hole) so that a screw or bolt can be inserted flush with the surface. 2) drive (a screw or bolt) into such a hole …   English terms dictionary

  • countersink — [kount′ər siŋk΄] vt. countersunk, countersinking 1. to enlarge the top part of (a hole in metal, wood, etc.) so that the head of a bolt, screw, etc. will fit flush with or below the surface 2. to sink the head of (a bolt, screw, etc.) into such a …   English World dictionary

  • Countersink — A countersink is a conical hole cut into a manufactured object, or the cutter used to cut such a hole. A common usage is to allow the head of a countersunk bolt or screw, when placed in the hole, to sit flush with or below the surface of the… …   Wikipedia

  • countersink — I. transitive verb (countersunk; sinking) Date: 1816 1. to make a countersink on (a hole) 2. to set the head of (as a screw) at or below the surface II. noun Date: 1816 1. a bit or drill for making a funnel shaped enlargement at the outer end of… …   New Collegiate Dictionary

  • countersink and countersinking —    A countersink is a tool with which a drilled hole s opening can be beveled in order to position the head of a screw or a bolt, used to join sections of a work, even with a material s outer surface. Countersinking is the method of using a… …   Glossary of Art Terms

  • countersink bit — noun a bit for enlarging the upper part of a hole • Syn: ↑counterbore, ↑countersink • Hypernyms: ↑bit …   Useful english dictionary

  • countersink — v., n. /kown teuhr singk /; v. also /kown teuhr singk /, v., countersank, countersunk, countersinking, n. v.t. 1. to enlarge the upper part of (a cavity), esp. by chamfering, to receive the cone shaped head of a screw, bolt, etc. 2. to cause (the …   Universalium

  • countersink — 1. noun a conical recess, typically machined around a hole to admit a screw so that it sits flush with a surface. 2. verb to create such a conical recess …   Wiktionary

  • countersink — coun·ter·sink || kaÊŠntÉ™rsɪŋk v. make (the head of a bolt, nail, etc.) flush or level with a surface …   English contemporary dictionary

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