CoroMill® 290 is a general-purpose square shoulder milling cutter that provides an economical solution with four cutting edges per insert. It is also suitable for face milling when workpiece fixturing limits the approach for machining. Generally, it provides an economical solution with four cutting edges per insert but does not allow ramping.
Benefits
- Economical solution
- Long, even and predictable tool life
- Excellent surface finish
Features
- Cylindrical shank or Arbor mounting
- Low axial forces
- Shim protected insert seats
- Insert geometries and grades for ISO P, ISO K, and ISO H
- Four cutting edges
Application
- Shoulder milling
- Slot milling
- Circular interpolation
ISO application area




Recommendation
Insert

Milling of 90° corners, capable of producing excellent surface quality.
APMX 10.7 mm (0.421 inch).
Pitch
![]() | |||
Condition | Unstable | General | Stable |
Geometries
Feed range
mm

inch

Product range
Diameter range: 40–250 mm (2.000–10.000 inch)
CoroMill 329
Grooving cutter CoroMill 329 adds speed and feed capability to groove milling thanks... chevron_right
CoroMill 790
The CoroMill 790 cutter is the first choice for ISO N materials. To be used in shoulder... chevron_right
CoroMill 345
CoroMill 345 is a cost-efficient face mill for high productivity in terms of feed... chevron_right
CoroMill 490
CoroMill 490 gives true 90-degree cuts without sharp steps. It uses four-edge inserts... chevron_right