Desirable Hardness in a file is generally?

A) 45 HRC B) 60 HRC C)80 HRC D)90 HRC

• Sandip
• 3185 Views
• 23 Answers

• A

  • Mallepally
  • 03 Apr
  • 0 Comment

  -1

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• 60 HRC

  • Surjeet
  • 03 Apr
  • 0 Comment

  0

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• A

  • Shusant
  • 03 Apr
  • 0 Comment

  -1

  ---

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