Approximately how much of the length of a knife edge file is tapered?

Approximately how much of the length of a knife edge file is tapered?

Right Answer is:

One-third

SOLUTION

  • Knife edge files have a taper for one-third of their length.
  • These files have a sharp triangular cross-section and are used for filing narrow grooves and angles above 10°.
  • They are available both single and double cuts.
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