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What is the defect if the metal chips clog between the teeth of file?

What is the defect if the metal chips clog between the teeth of file? Correct Answer Pinning of file

Explanation:

  • During filing, sometimes the metal chips (filings) will clog between the teeth of files. This is known as ‘pinning’ of files.
  • Files which are pinned will produce scratches on the surface being filed, and also will not bite well.
  • Pinning of the files is removed by using a file brush also called a file card, with either forward or backward stroke.

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