Seco's new Round 20 copy milling system gives manufacturers a drop-in performance upgrade for roughing operations across steel, stainless, and superalloys — with the key win being multi-position indexing that stretches insert life and protects cutter body investment.
- New Round 20 inserts index to 4, 6, or 8 positions (vs. fixed 4 or 8 on old bodies), letting users match insert consumption to actual depth of cut
- Covers steel, stainless steels, heat-resistant superalloys, cast iron, and hardened steels in face, side, slot, plunge, and ramp milling
- 20 mm round inserts generate an R10 mm radius and maximize material removal rates on large-diameter cutters
- Insert shims and cassettes protect cutter body pockets from damage, eliminating replacement cost and unplanned downtime
- Backward-compatible with existing Seco Round 20 cutter bodies — no new toolholder investment required
New generation Seco Round 20 provides excellent roughing in copy milling applications
Alcester, May 2025 - The new generation of Seco Round 20 copy mills and inserts offers excellent performance in a wide range of applications, including face, side, slot, plunge and ramp milling. Round 20 inserts are compatible with cutter bodies from previous generations and provide additional performance in challenging materials.
Flexible and cost effective
The new Seco Round 20 cutters and inserts are well suited for highly productive medium-to-rough milling in steel, stainless steels and heat-resistant superalloys and can also be productively applied to cast iron and hardened steels. The large-diameter inserts maximize material removal rates and offer a cost-effective means to generate an R10 mm radii with 20 mm round inserts.
"The new generation of Round 20 represents a significant step forward from its predecessors," said Seco Product Manager Benoit Patriarca. "With today’s Round 20, inserts can be indexed to four, six or eight positions, allowing users to match the insert consumption to the depth of cut being taken. This flexibility also means the new inserts integrate with existing cutter bodies that index to four or eight positions."
Increased cutter body longevity
Through the use of insert shims and cassettes, users can maximize the life of Round 20 cutter bodies. With these options, manufacturers reduce the risk of damaging an insert pocket and eliminate the replacement cost and potential downtime that accompany unexpected tool breakage.
Round 20 features sixteen available cutter bodies with four shim options and three cassette options as well as thirty indexable cutting inserts.
For the latest innovations and advanced products, visit www.secotools.com.
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