countersunk hole

A hole with sloping sides where the top of the hole is larger than the bottom of the hole as in the shape of the letter "V"

Dictionary of automotive terms. 2015.

Look at other dictionaries:

  • countersunk hole — noun A hole which is drilled into a surface, so that when a screw is inserted, the screw head is level with the surface …   Wiktionary

  • hole — See access hole bolt hole countersunk hole cubby hole drain hole limber hole oil filter hole pilot hole radiator fill hole spurt hole …   Dictionary of automotive terms

  • 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

  • countersunk screw — A screw 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 screw is screwed in all the way, the top of the screw is flush with the surface …   Dictionary of automotive terms

  • countersunk — ˈkau̇ntə(r)+| adjective Etymology: from past participle of countersink (I) 1. : having a countersink at the top a countersunk hole 2. : having the head set in a countersink …   Useful english dictionary

  • 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

  • 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

  • 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

  • List of screw drives — Contents 1 Common types 1.1 External types 1.1.1 Square 1.1.2 Hex …   Wikipedia

  • countersink — /ˈkaʊntəsɪŋk/ (say kowntuhsingk) verb (t) (countersunk, countersinking) 1. to enlarge the upper part of (a hole or cavity), especially by chamfering, to receive the cone shaped head of a screw, bolt, etc. 2. to cause (the head of a screw, bolt,… …   Australian English dictionary

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