Seco, Troy, Mich., recently expanded the roughing and semi-finishing performance capabilities of its Secomax CS100 sialon ceramic grade inserts by adding inserts with T-style edge preparation to the line, according to a company news release. Featuring a free-cutting, sharp geometry, the new inserts are said to bring strength, stability and performance longevity to the machining of nickel-based superalloys in unstable conditions.