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.

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

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]

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
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"
Translations

countersink

[ˈkaʊntəsɪŋk] (countersank (pt)) [ˈkaʊntəsɒŋk] (countersunk (pp)) [ˈkaʊntəsʌŋk] VT [+ hole] → avellanar; [+ screw] → encastrar

countersink

[ˈkaʊntərsɪŋk] vt [+ hole] → fraisercounter staff n (in bank, ticket office, post office)guichetiers mpl

countersink

[ˈkaʊntəˌsɪŋk] vt (countersank (pt) (countersunk (pp))) (hole) → svasare; (screw) → accecare
References in periodicals archive ?
I use a Weaver-style oval head scope base screw cut to size as necessary so that the oval head completely bottoms out in the countersink.
Industrial analyses show that these phenomena affect widely the final shape of the obtained countersink.
With one type, you just snap a driver bit onto the countersink bit.
It has a 90 deg countersink to improve chamfering, reduce the need for deburring and support the entering of XD drills.
The deck angle guider and countersink set enables users to easily drill a hole at a 45 degree angle into indoor and outdoor decks and floors made of plastic or soft and hard wood.
Top tip: Before fixing the rail to the wall, countersink your screw holes so the wood can sink in and be filled and sanded later.
The 5888 countersink is a valuable time-saver on manual machines as the working zone height doesn't need to be adjusted between centerdrills, drills, countersinks, reamers, and taps.
The WACO gauges provide accurate measurements from the top of the can double seam to the bottom of the countersink adjacent to the chuck wall.
Countersink five 1 1/4-inch deck screws at these points.
The parameters this unit will measure include External curl diameter, Internal curl diameter, Curl height, Countersink depth, Curl opening, Multiple bead heights, Chuck fit and Uncurled lip height.
The countersink collection also includes counterbores to create a flat-bottomed upper portion of the pilot hole instead of a tapered opening.