CoroThread 266 UN 60° With Finishing Blade (Part Numbers)

Basic Attributes

• Type

  • 266R/LG-UN
  • 266R/LL-UN

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• Cutting Direction

  • Right-hand
  • Left-hand

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• O.D./ I.D. (For Threading)

  • Outer Diameter
  • Internal Diameter

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• Number of threads (for threading)

  • 4.5 TPI
  • 6 TPI
  • 7 TPI
  • 8 TPI
  • 9 TPI
  • 10 TPI
  • 11 TPI
  • 12 TPI
  • 13 TPI
  • 14 TPI
  • 16 TPI
  • 18 TPI
  • 20 TPI
  • 24 TPI
  • 28 TPI
  • 32 TPI

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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

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• Fixing hole diameter d1(mm)

  • 4.4
  • 5.5

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• Theoretical screw height HA(mm)

  • 0.59
  • 0.67
  • 0.79
  • 0.8
  • 0.89
  • 0.95
  • 1.00
  • 1.05
  • 1.13
  • 1.19
  • 1.33
  • 1.35
  • 1.46
  • 1.58
  • 1.59
  • 1.72
  • 1.9
  • 2.00
  • 2.11
  • 2.31
  • 2.38
  • 2.7
  • 3.16
  • 3.62
  • 4.23

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• Difference in Screw Height HB(mm)

  • 0.07
  • 0.08
  • 0.09
  • 0.10
  • 0.11
  • 0.12
  • 0.13
  • 0.14
  • 0.16
  • 0.18
  • 0.2
  • 0.23
  • 0.25
  • 0.26
  • 0.28
  • 0.30
  • 0.32
  • 0.33
  • 0.37
  • 0.41
  • 0.49
  • 0.57
  • 0.77

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