countersunk bolt

A bolt with a special head. The underside of the head is tapered to fit into a hole that has tapered sides (countersunk hole) so that when the bolt is screwed in all the way, the top of the bolt is flush with the surface

Dictionary of automotive terms. 2015.

Look at other dictionaries:

  • Countersunk — Coun ter*sunk ( s?nk ), p. p. & a. from {Countersink}. 1. Chamfered at the top; said of a hole. [1913 Webster] 2. Sunk into a chamfer; as, a countersunk bolt. [1913 Webster] 3. Beveled on the lower side, so as to fit a chamfered countersink; as,… …   The Collaborative International Dictionary of English

  • bolt — A securing device upon which a nut is threaded. It usually has a nut type head. It is usually measured not so much by the size of the wrench required to secure the bolt; but by the diameter of the threads, the thread pitch, the length of the bolt …   Dictionary of automotive terms

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

  • Countersunk — 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 Collaborative International Dictionary of English

  • Flush bolt — Flush Flush, a. 1. Full of vigor; fresh; glowing; bright. [1913 Webster] With all his crimes broad blown, as flush as May. Shak. [1913 Webster] 2. Affluent; abounding; well furnished or suppled; hence, liberal; prodigal. [1913 Webster] Lord Strut …   The Collaborative International Dictionary of English

  • patch bolt — noun : a bolt used in the repair of boilers and of ships with hulls of steel plate that has a countersunk head with a square knob which is twisted off when the bolt is screwed home …   Useful english dictionary

  • shoe bolt — noun : a bolt with a long unslotted countersunk head for fastening a shoe on a sleigh runner …   Useful english 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

  • шинный болт — [ГОСТ 27017 86] Тематики крепежные изделия Обобщающие термины болты с потайными головками EN deep flat countersunk bolt DE Kegelsenkschraube FR corps de boulon de roue …   Справочник технического переводчика

  • Screw — This article is about the fastener. For other uses, see Screw (disambiguation). Screws come in a variety of shapes and sizes for different purposes. U.S. quarter coin (diameter 24 mm) shown for scale. A screw, or bolt, is a type of fastener… …   Wikipedia

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