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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.

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

New grades optimized for steel milling

CoroMill® 390 is now available with CVD grades GC4330 and GC4340 with Inveio® technology for improved tool life and increased process security.

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