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Under the SPK® brand CeramTec offers a unique program in terms of scope, diversity and performance of indexable inserts made of ceramic cutting materials, polycrystalline cubic boron nitrides (CBN) and cermets for turning, grooving, milling and boring.
CBN cutting materials set new standards in continuous and intermittent cutting with their excellent wear characteristics. And they offer unparalleled performance in terms of hot hardness, toughness and chemical stability.
Ceramic inserts made of silicon nitride in uncoated form are ideally suited for simple machining of gray cast iron parts with high cutting data.
α-/β-SiAlON cutting ceramic grades are characterized by gradient characteristics that combine exceptional hardness and an extremely wear-resistant surface with a very tough insert core. .
Mixed Ceramics and their excellent hot hardness makes them ideal for hard precision turning of hardened steels, hard machining of rolls and precision finishing of gray cast iron workpieces.