different between counterbore vs endmill

counterbore

English

Etymology

From counter- (against) +? bore (hole).

Noun

counterbore (plural counterbores)

  1. A cylindrical recess, typically machined around a hole to admit a screw so that it sits flush with a surface.
  2. The tool with which a counterbore is machined.

Translations

Verb

counterbore (third-person singular simple present counterbores, present participle counterboring, simple past and past participle counterbored)

  1. (transitive) To create such a cylindrical recess.

See also

  • countersink
  • spotface

counterbore From the web:

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  • what is counterbore mean
  • what does counterbore hole mean
  • what is counterbore spotface


endmill

English

Etymology

end +? mill

Pronunciation

  • enPR: ?nd?m?l'

Noun

endmill (plural endmills)

  1. A type of milling cutter (a class of cutting tools used in machining) with cutting edges on both the end and sides.

endmill From the web:

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