The copy mills and indexable cutting inserts are designed for a variety of materials and are compatible with earlier generations of the tool series. The additional use of carbide wear plates and cassettes allows for extended tool life and minimized tool costs.
For economical machining, companies need flexible solutions that enable them to implement various copy milling applications, efficiently utilize their cutting edges, and increase productivity. Other important factors are low tool costs and the prevention of insert seat damage. The new generation of the copy milling system round plate 20 from Seco meets all these requirements and impresses with high versatility and performance.
High-productive manufacturing

Round plate 20 is suitable for a wide range of copy milling applications as well as for face, groove, plunge, and ramp milling. The large selection of indexable insert types allows for efficient, high-performance machining of steel, stainless steel, cast iron, heat-resistant superalloys, and hardened materials. The indexable inserts with a diameter of 20 mm increase the material removal rate and allow for cost-effective R10 mm radii to be achieved. The optimal use of cutting edges further increases productivity.
Longer lifespan, lowertool costs
The copy mills are optionally equipped with carbide wear plates and cassettes that users can easily replace in case of damage to the insert seat. The milling body does not need to be changed. This reduces downtime and tool costs. Benoît Patriarca, product manager at Seco, adds: “The improved copy milling system round plate 20 allows for the use of indexable inserts with four, six, or eight cutting edges. This enables users to adjust consumption to the required cutting depth. Furthermore, both the indexable inserts of the old round plate 20 generation can be used in the new milling bodies, and the new indexable inserts can be used in the old mills, provided they are indexed at four or eight positions.”
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