Sandvik Coromill MR20: Process-reliable profile and face milling

Predictable Machining Success Achieve Top Results Quickly And Safely When Profile And Face Milling

2026-03-18 Source: Sandvik Coromant | Translated by AI 2 min Reading Time

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Sandvik Coromant presents the Coromill MR20, a special indexable insert concept that stands for reliable stability, predictable performance and exceptional metal removal rates ...

With the Coromill MR20 milling system, the cutting tool specialist Sandvik Coromant is bringing a product that should make a name for itself in tool and mold making, as well as in aerospace components, to what the manufacturer claims it can do ...(Image: Sandvik Coromant) — With the Coromill MR20 milling system, the cutting tool specialist Sandvik Coromant is bringing a product that should make a name for itself in tool and mold making, as well as in aerospace components, to what the manufacturer claims it can do ...
(Image: Sandvik Coromant)

The innovative Coromill MR20 cutting system from Sandvik Coromant is designed for manufacturing companies that require absolute process reliability. It also sets new standards in terms of reliability and productivity in profile and face milling. The tool concept with single-sided indexable inserts has been optimized for the challenging material groups ISO M, ISO S and ISO P. Thanks to its combination of safety and versatility, the Coromill MR20 is suitable for pocket milling as well as for complex profile milling of titanium and other HRSA materials, as required in the aerospace industry and for oil and gas components. According to the manufacturer, the tool also delivers reliable performance in the field of tool and mold making with ISO-P materials when it comes to roughing and pre-finishing. And with ISO-M materials, it masters the heavy-duty machining of pump and valve components with the high predictability and productivity required in these industries, as the Swedes emphasize

The Milling Cutter Body Lasts A Comparatively Long Time

The Coromill MR20 milling system therefore achieves higher performance and more sustainable machining than other tools. This is ensured by the possibility of a higher feed rate per tooth, which reduces the energy requirement during machining. Due to the long tool life of the cutting tool, fewer indexable inserts are also used, which reduces the overall CO₂ footprint in metal part production, as Sandvik notes. The tool design, described as advanced, provides unprecedented fatigue and deformation resistance, ensures repeatability and extends the life of the cutter body. The new, integrated cooling lubricant supply, which allows the medium to reach the point of action from below, guarantees high performance, which pays off particularly with long chips and difficult-to-cut materials, the company adds.

Maximum Cutting Performance Under Full Control

One of the most important innovations, however, is the optimized design of the insert seat! This is because the large contact surface between the insert and the milling body attenuates micro-movements and thus achieves maximum stability of the milling system. As far as the geometry of the indexable insert is concerned, it has a thick, robust body that is extremely break-resistant, which also affects edge stability, according to Sandvik Coromant. Due to the tight manufacturing tolerances achievable, uniform and predictable wear is guaranteed, supporting efficient, unmanned production, reducing scrap and maximizing uptime. By combining stability, versatility and cutting performance, Sandvik says Coromill MR20 enables manufacturers to exceed existing performance limits while maintaining full control of the cutting process.

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