These inserts are made with a black ceramic alumina on the cutting edges. Compared to carbide inserts, ceramic lasts longer in hardened-steel and cast iron tooling applications because it is chemically inert and has better heat resistance. Ceramic inserts have comparable wear resistance to cubic. Super strong milling performance! Super strong milling performance!Under the SPK® brand CeramTec offers a unique program in terms of scope, diversity and performance of indexable inserts made of ceramic cutting materials, CBN, SiC whisker reinforced ceramics and cermets for turning, grooving, milling and boring in a wide variety of applications. Whether your production systems involve hard turning or milling, require heavy roughing or high speed finishing, machine high silica aluminum or tough superalloys, we have the product. Our carbide inserts. Greenleaf Corporation is a leading supplier of industrial cutting tools, specializing in the manufacturing of high-performance tungsten carbide and ceramic grade inserts and innovative toolholding systems.
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