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CoroTurn® XS

High precision and repeatability

​​These high-quality ground tools are designed for exact cutting-edge position, enabling high precision and repeatability in internal turning machining. 

Locking precision

​​The solid carbide boring bar fits precisely into the adaptor with a locating pin. Collet-clamped adaptors ensure rigid clamping with increased stability.

Internal coolant

​​All adaptors for CoroTurn® XS are designed with internal coolant supply. Collet-clamped adaptors have selectable coolant direction for better chip evacuation and safe machining.

View more features
  • ​​​​​​​​Broad programme for all internal turning.
  • A large variety of adaptors that fit most types of machines.​
  • Close tolerances.
  • Longer tool life is achieved by minimized micro vibrations.
  • Good accessibility when changing tool.
  • Clamping nut ensures easy change of cutting tool.
  • Sharp cutting edges.​

Find your tool and buy

Application area

CoroTurn XS for small features
  • For internal finishing applications
  • Hole diameter: 0.3–7.2 mm (0.012–0.283 inch)
  • Internal turning, copying, back boring, profiling, grooving, pre-parting and threading
  • Face grooving

  • Steel
  • Stainless steel
  • Non-ferrous metals
  • Heat resistant super alloys
  • Hardened materials

Product range

Solid carbide tool

​​​Sizes: 04, 05, 06, 07, 08 and 10


​​​​GC1125, GC1025, H10F, CB7015


  • Flat ground geometry with sharp edge line
  • A-geometry with chip breaker for excellent chip control

Tool holding

  • Collet-clamped adaptors for sliding head machines
  • Cylindrical shank with 2, 3 and 4 flats, single and double ended, for sliding head machines
  • Square shank adaptors for external tool post in sliding head machines
  • Square shank adaptors for general lathes
  • Coromant Capto® for turning and rotating applications
  • Coromant EH for rotating applications ​



Increase quality and productivity

Machine small features with even higher quality with grade GC1125. The optimized coating process enables longer tool life or will allow you to increase productivity. GC1125 is available on selected items for internal turning operations.

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Collet-clamped adaptors for best performance

Use CoroTurn® XS with a collet-clamped adaptor to get the most out of the tool.

Expertise for medical components

Medical is one of the most technically demanding industries in the world. We have developed advanced tools and knowledge for these applications to ensure process security and increase your productivity.

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