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CoroMill® 390

Wide range of products

CoroMill 390 covers many applications with a large, versatile programme, including cutter versions for shoulder milling and long edge milling. The cutters generate a good quality 90-degree shoulder and are ideal for ramping and helical interpolation.

Light-cutting geometries

​The light-cutting insert geometries and high-performance grades of CoroMill 390 are designed for low cutting forces and vibration-free machining for secure milling in all materials.

Through coolant

​Experience the benefits of internal coolant available on most CoroMill 390 cutters.

View more features

​•  Close tolerances giving excellent surface finish and minimal mismatch

•  Large depth of cut and steep ramping capability

•  Available with different coupling types such as cylindrical shank, Weldon, Coromant EH, MSSC, Arbor, Coromant Capto®

•  Oversized diameter for clearance is available

•  Integrated damping technology Silent Tools™ for increased metal removal and improved surface finish with size 07 and 11 inserts

•  Available in a shorter version for turning centres

View more features in the CoroMill 390 with size 07 inserts brochure

Find your tool and buy

Application area

Diameter: 9.7–200 mm (0.375–8.000 inch)
Max. cutting depth: 15.7 mm (0.618 inch)

  • Shoulder milling
  • Repeated shoulder milling
  • Linear and helical ramping
  • Turn milling
  • Deep shoulder milling
  • Edging
  • Pocketing
  • Steel
  • Stainless steel
  • Cast iron
  • Non-ferrous metals
  • Heat resistant super alloys
  • Hardened materials

Tool variants

End mill with cylindrical shank or Coromant EH coupling

​Square shoulder face mill

​Long edge cutter

​End mill with integrated damping Silent Tools™

More information about Co​roMill 390

Insert size​

Cutting depth mm (inch)

Diameter mm (inch)

Cutter types



5.8 (0.223)

9.52 – 25.4
(0.375 – 1.000)

End mills

Coromant EH


10 (0.394)

12 – 84
(0.472 – 3.307)

End mills, face mills,
long edge

Cylindrical, Weldon,
Coromant EH, MSSC, Arbor,
Coromant Capto®


15.7 (0.618)

25 – 125
(0.984 – 4.921)

End mills, face mills

Cylindrical, Weldon,
Coromant EH, Arbor


15.7 (0.618)

40 –  200
(1.575 – 7.840)

Face mills, long edge

Coromant Capto®

NOTE! Insert sizes 07 and 11 are available with Silent Tools™ damping technology.

Insert radius overview


​ISO application area​

​Radius insert option mm​


​ISO application area​

​Radius insert option inch​





CoroMill® 390 with size 07 inserts

The new CoroMill® 390 with size 07 inserts combines all of our milling expertise into one versatile milling tool.

New steel milling grade GC1130

CoroMill 390 together with steel milling grade GC1130, made with Zertivo™ technology, create the perfect match of grade innovation and superior tooling for added security and predictability in your machining process.

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See the multi-operational end mills CoroMill® 390 in action

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