countersink

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countersink
single-flute countersink bit

coun·ter·sink

 (koun′tər-sĭngk′)
n.
1. A hole with the top part enlarged so that the head of a screw or bolt will lie flush with or below the surface.
2. A tool for making such a hole.
tr.v. coun·ter·sunk (-sŭngk′), coun·ter·sink·ing, coun·ter·sinks
1. To make a countersink on or in.
2. To drive (a screw or bolt) into a countersink.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

countersink

(ˈkaʊntəˌsɪŋk)
vb (tr) , -sinks, -sinking, -sank or -sunk
1. (Building) to enlarge the upper part of (a hole) in timber, metal, etc, so that the head of a bolt or screw can be sunk below the surface
2. (Building) to drive (a screw) or sink (a bolt) into such an enlarged hole
n
3. (Building) Also called: countersink bit a tool for countersinking
4. (Building) a countersunk depression or hole
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

coun•ter•sink

(ˈkaʊn tərˌsɪŋk)

v. -sank, -sunk, -sink•ing,
n. v.t.
1. to enlarge the upper part of (a hole) to receive the head of a screw or bolt.
2. to set the head of (a screw or bolt) flush with or below the surface.
n.
3. a tool for countersinking a hole.
[1810–20]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

countersink


Past participle: countersunk
Gerund: countersinking

Imperative
countersink
countersink
Present
I countersink
you countersink
he/she/it countersinks
we countersink
you countersink
they countersink
Preterite
I countersank
you countersank
he/she/it countersank
we countersank
you countersank
they countersank
Present Continuous
I am countersinking
you are countersinking
he/she/it is countersinking
we are countersinking
you are countersinking
they are countersinking
Present Perfect
I have countersunk
you have countersunk
he/she/it has countersunk
we have countersunk
you have countersunk
they have countersunk
Past Continuous
I was countersinking
you were countersinking
he/she/it was countersinking
we were countersinking
you were countersinking
they were countersinking
Past Perfect
I had countersunk
you had countersunk
he/she/it had countersunk
we had countersunk
you had countersunk
they had countersunk
Future
I will countersink
you will countersink
he/she/it will countersink
we will countersink
you will countersink
they will countersink
Future Perfect
I will have countersunk
you will have countersunk
he/she/it will have countersunk
we will have countersunk
you will have countersunk
they will have countersunk
Future Continuous
I will be countersinking
you will be countersinking
he/she/it will be countersinking
we will be countersinking
you will be countersinking
they will be countersinking
Present Perfect Continuous
I have been countersinking
you have been countersinking
he/she/it has been countersinking
we have been countersinking
you have been countersinking
they have been countersinking
Future Perfect Continuous
I will have been countersinking
you will have been countersinking
he/she/it will have been countersinking
we will have been countersinking
you will have been countersinking
they will have been countersinking
Past Perfect Continuous
I had been countersinking
you had been countersinking
he/she/it had been countersinking
we had been countersinking
you had been countersinking
they had been countersinking
Conditional
I would countersink
you would countersink
he/she/it would countersink
we would countersink
you would countersink
they would countersink
Past Conditional
I would have countersunk
you would have countersunk
he/she/it would have countersunk
we would have countersunk
you would have countersunk
they would have countersunk
Collins English Verb Tables © HarperCollins Publishers 2011
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.countersink - a hole (usually in wood) with the top part enlarged so that a screw or bolt will fit into it and lie below the surface
hole - an opening deliberately made in or through something
2.countersink - a bit for enlarging the upper part of a holecountersink - a bit for enlarging the upper part of a hole
bit - the cutting part of a drill; usually pointed and threaded and is replaceable in a brace or bitstock or drill press; "he looked around for the right size bit"
Verb1.countersink - insert (a nail or screw below the surface, as into a countersink)
bury, sink - embed deeply; "She sank her fingers into the soft sand"; "He buried his head in her lap"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

countersink

[ˈkaʊntəsɪŋk] (countersank (pt)) [ˈkaʊntəsɒŋk] (countersunk (pp)) [ˈkaʊntəsʌŋk] VT [+ hole] → avellanar; [+ screw] → encastrar
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

countersink

[ˈkaʊntərsɪŋk] vt [+ hole] → fraisercounter staff n (in bank, ticket office, post office)guichetiers mpl
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

countersink

[ˈkaʊntəˌsɪŋk] vt (countersank (pt) (countersunk (pp))) (hole) → svasare; (screw) → accecare
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
References in periodicals archive ?
TOOLEX reports it has launched a new website which gives details of over 30,000 cutting tools, ranging from reamers to drills and countersinks to end mills, including several unusual cutting tools, such as 45[degrees] countersinks that are not easy to come by from other sources.
releases an informational flyer detailing its stainless steer countersinks and stainless steel plug cutters, which the company says are the best system to pre-drill and plug in hard, dense woods, such as ipe.
The oval-head, where only part extends into the material, would be measured up to and including the part that countersinks.
The Series 5888 3-flute extended length countersinks are designed for machining center applications to reach past fixturing and down into components.
The grinding machine can automatically produce tools for the wood- and metal-cutting industries, such as step drills, countersinks, helical step tools, profile tools, slotting cutters, milling cutters, and saw blades.