CoroThread 266 Metric 60° With Finishing Blade

Basic Attributes

• Cutting Direction

  • Right-hand
  • Left-hand

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• 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
  • 3/8

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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)

  • 0.32
  • 0.37
  • 1.12
  • 1.59
  • 1.87
  • 1.98
  • 2.25
  • 2.62
  • 3.00
  • 3.54
  • 4.13

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• Difference in Screw Height HB(mm)

  • 0.03
  • 0.08
  • 0.16
  • 0.19
  • 0.22
  • 0.36
  • 0.40
  • 0.42
  • 0.49
  • 0.56
  • 0.79

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• Type

  • 266R/LG
  • 266R/LL

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• Pitch (for Threading)

  • 0.50 mm
  • 1.50 mm
  • 2.50 mm
  • 3.00 mm
  • 3.50 mm
  • 4.00 mm
  • 5.50 mm

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