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单词	字典	翻译
counterbore	查看　counterbore　在百度字典中的解释	百度英翻中〔查看〕
counterbore	查看　counterbore　在Google字典中的解释	Google英翻中〔查看〕
counterbore	查看　counterbore　在Yahoo字典中的解释	Yahoo英翻中〔查看〕

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Counterbore - Wikipedia
In machining, a counterbore (symbol: ⌴) is a cylindrical flat-bottomed hole that enlarges another coaxial hole, or the tool used to create that feature A counterbore hole is typically used when a fastener, such as a socket head cap screw or fillister head screw, is required to sit flush with or below the level of a workpiece's surface
Counterbore vs Countersink. Differences Strength - Fine Power Tools
A counterbore hole is deeper and has a square-like shape where the shoulder of the screw head can seat It also allows for the addition of washers to be used A countersink will create a conical-shaped hole that is identical to the angled shape found on the underside of a screw which has a flat top
Counterbore | GD T Basics - gdandtbasics. com
A counterbore is a flat-bottomed cylindrical hole that is larger than and coaxial to another cylindrical hole It is used to provide a flat and recessed mounting surface for mating parts The hardware most commonly used with a counterbore is a socket head cap screw
Counterbores - All About - Machinist Guides
A counterbore is a circular hole with a flat bottom which coincides with another hole The counterbored section allows a bolt head or other fastener to be recessed What does a counterbore look like?
What are Counterbore Holes in Machining? - Xometry
Counterbore holes in machining help conceal the head of a fastener completely to improve the appearance and sliding movement of the part Learn more about how to drill this type of hole and its applications and uses

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