API Round 60° With Finishing Blade (Part Numbers)

Basic Attributes

• O.D./ I.D. (For Threading)

  • Outer Diameter
  • Internal Diameter

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• s (Chip Thickness)(mm)

  • 3.97
  • 5.56

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• Tip Size

  • 16
  • 22

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• Diameter of Inscribed Circle iC

  • 0.375
  • 0.5

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• Material type

  • GC1020
  • GC1125
  • GC1135

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• Fixing hole diameter d1(mm)

  • 4.4
  • 5.5

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• Theoretical screw height HA(mm)

  • 1.76
  • 2.23
  • 2.24

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• Difference in Screw Height HB(mm)

  • 0.36
  • 0.43

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• Type

  • 266R/LG-RD
  • 266R/LL-RD

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• Number of threads (for threading)

  • 8 TPI
  • 10 TPI

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