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CoroBore® BC

Tailored to your needs

Unique design-automated customized solutions with possibility to build one tool for multiple operations.


Offers true flexibility with considerably shorter lead times compared to engineered tools.


Instant quotation including price, delivery time and proposal drawings.


  • Semi-finishing and chamfering boring operations
  • Diameter range 20–200 mm (0.787–7.87 inch)
  • Steel
  • Stainless steel
  • Cast iron
  • Non-ferrous metals
  • Heat resistant super alloys
  • Hardened materials

Program range


Choose up to four operations in one customized tool, with maximum two cutting edges per operation.

Cutting diameter and tool length

Diameter range: 25‒200 mm (0.984‒7.87 inch)
Maximum tool length: 400 mm (15.7 inch)

Machine interfaces

  • Coromant Capto: C3, C4, C5, C6, C8, C10
  • HSK form A: 32, 50, 63, 80, 100
  • Taper:
    • ISO 40, 50
    • Mas-BT 40, 50
    • Cat-V 40, 50
  • ISO 9766: 20, 25, 32

Additional features

  • ISO 6987 ID chips
  • Individually balanced
  • Rotated polygon 90/180/270 degrees

Stocked standard inserts

Available with both ISO inserts as well as CoroBore® 111 inserts with an optimized grade selection for boring operations.


Three types of cartridges available with different degree of adjustability:

  • CB: radial and axial adjustment
  • CC: only axial adjustment (chamfer)
  • CD: non-adjustable

Unrelated and related chamfer

​Possibility to create both related and unrelated chamfers.

High precision coolant

High precision nozzles on the cartridges give an exact coolant flow through the tool to the cutting edge. CoroBore® cartridges handle up to 80 bar (1160 PSI) with nozzle precision, increasing tool life and enabling excellent chip breaking control even at lower pressure.


Create your customized tool and combine the different options in the way that best suits your production.

To order contact your local Sandvik Coromant representative.


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Cartridges for boring

Learn more about how to adjust the CoroBore cartridges.

Tailor Made solutions with quick delivery

Design your CoroBore tool customized for your application.

CoroBore 111 inserts

The CoroBore 111 standard inserts with optimized grade selection is a unique solution, offering excellent chip breaking and increased lifetime in ISO P, M, K and S materials.

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