Countersink - Wikipedia
WebIn manufacturing, a countersink ( symbol: ⌵) is a conical hole cut into a manufactured object, or the cutter used to cut such a hole. A common use is to allow the head of a countersunk bolt, screw or rivet, when placed in the hole, to sit flush with or below the surface of the surrounding material (by comparison, a counterbore makes a flat ...
What Is Countersunk Screw & How To Countersink? - Engineering …
WebDec 9, 2021 · What Is Countersunk Screw? The countersunk screw also known as a flat-heat screw is a type of screw that’s designed to rest flush with the object or surface in which it’s inserted. Countersunk screws are simply characterized by their flat head, which allows them to sink into objects and materials.
What are Countersink Holes in Engineering? | Xometry
WebDec 16, 2022 · Learn more about this type of engineering hole and its dimensions. By Team Xometry. December 16, 2022. 7 min read. A countersink hole is one in which the outer edge of the hole has been opened up to a conical entry. For ANSI/Imperial fasteners, it is commonly at 82°, 90° for metric fasteners, 100° for BA threaded fasteners, and 120° for ...
Countersinks - All About - Machinist Guides
WebFeb 16, 2021 · A countersink is an angled taper applied to a hole that allows a fastener (usually a flat head screw or similar) to sit even with, or below the surface which has been countersunk. Occasionally, a countersink is used simply as a method of chamfering or deburring a hole.
Countersunk Definition & Meaning - Merriam-Webster
Webnoun. 1. : a bit or drill for making a funnel-shaped enlargement at the outer end of a drilled hole. 2. : the enlargement made by a countersink. Illustration of countersink. …
Countersink | GD&T Basics - gdandtbasics.com
WebSep 7, 2022 · Definition: The countersink symbol is used to indicate that a countersink hole feature is required. The purpose of a countersink is to allow a fastener, typically a flathead screw, to sit slightly below the surface of the part.
Countersink Holes: An Essential Guide To Precision And Functionality
WebCountersink holes are conical recesses created on the surface of a material to accommodate the heads of fasteners. They serve the purpose of allowing the fasteners to sit flush or below the material surface, distributing the load evenly, and providing a secure and visually appealing connection.
countersunk adjective - Definition, pictures, pronunciation and …
Webcountersunk. adjective. /ˈkaʊntəsʌŋk/ /ˈkaʊntərsʌŋk/ (British English) ( North American English flathead) (specialist) (of a screw) that fits in a hole with its top surface level with the surface of the material. Want to learn more?
Countersunk - definition of countersunk by The Free Dictionary
WebDefine countersunk. countersunk synonyms, countersunk pronunciation, countersunk translation, English dictionary definition of countersunk. v. Past tense and past participle of countersink.
Countersink vs. Counterbore Holes in Machining: Differences
WebDec 16, 2022 · A countersunk hole is a conical or cone-shaped hole that is drilled into a material. The cone-shaped part of the hole is wider than the rest of the hole. It is used to allow a screw or bolt to be inserted into it. The angle of the countersink hole is typically around 90° but can be anywhere from 60° to 120°.
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