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CoroMill® 745

Cost-efficient solution

​The double-sided multi-edge design and the 42° entering angle make it a cost-efficient solution. It offers high​ productivity and a low cost per edge.

Ground-breaking technology

Available with 42° entering angle for larger cutting depths and as a high feed version with 25° entering angle for an even higher metal removal rate. Same inserts are​ used in both cutters.

Reliable tool

​The secure tip seat and the large, robust insert with strong, light-cutting geometries are designed for reliable and predictable machining.

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​​​Innovative design

​The patented insert positioning system provides the same light cutting action and performance as a positive single-sided milling cutter, but with a total of 14 cutting edges.

​​Easy handling

The unique insert position is designed for easy and quick insert changes, and the large M7 screw makes clamping easy and ​exceptionally secure.

Save energy costs

The innovative design provides a light cutting action with excellent chip formation and low power consumption.

Differential MD pitch

Great problem-solving abilities when machining vibration-sensitive components and in weak set-ups with the unique differential MD pitch.

Less noise

The light cutting action generates a soft and smooth sound, creating a good working environment.

Find your tool and buy

Application area

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  • ​Face milling
  • Roughing to semi-finishing
  • Multi-edge concept suitable for large batch productions, flexible transfer lines and when maximum tool utilization is important
  • CoroMill® 745 with 42° entering angle is used in ISO P, K, M and S applications where APMX is 5.2 mm (0.205 inch)
  • CoroMill® 745 high feed cutter with 25° entering angle is used as a productivity booster in ISO P and ISO K applications where APMX is 2.8 mm (0.110 inch)​
  • Steel
  • Stainless steel
  • Cast iron
  • Heat resistant super alloys

Product range

Cutter body CoroMill® 745 with 42° entering angle​

Diameter range: 63–315 mm
(2.500–12.000 inch)
APMX: 5.2 mm (0.205 inch)​
Pitch: Close (M), close (MD) and extra close (H)​
Through coolant up to diameter 160 mm
(6.000 inch)
Coupling: Arbor, Coromant Capto®, CIS arbor

Cutter body CoroMill® 745 high feed cutter with​ 25° entering angle

Diameter range: 63–160 mm (2.5–6 inch)
APMX: 2.8 mm (0.110 inch)​
Pitch: Close (M) and extra close (H)
Through coolant up to diameter 160 mm (6.000 inch)
Coupling: Arbor, Coromant Capto®


Insert size (IC): 21
Cutting edges: 14
Geometries: E-M30, E-M31, E-M50, E-H50​
Precision-ground inserts for high accuracy





Differential M​D pitch

The unique differential MD pitch is first choice in roughing operations where light cutting action is required, e.g. in vibration-sensitive and weak set-ups. It is a perfect problem-solver when vibration is a limitation in the production.

The length and weight of the cutter body has been reduced in order to boost the performance in low-productive applications. The cutter has a logarithmic differential pitch design, and the insert position is radially compensated to produce an even chip load on every insert.

The differential MD pitch is available up to diameter 160 mm (6.000 inch)


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CoroMill® 745 film

See the multi-edge concept in action and learn more about its features.

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Performance and economy in one

The secret behind the unique CoroMill 745 cutter is the patented insert positioning system.

CoroPlus® ToolGuide

Find the cutting tool for your specific task and get instant cutting data recommendations for your operations.

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