Hard and hardened iron materials from 40 to 70 HRc can be machined most economically with tools made of CBN (cubic boron nitride) – the second-hardest cutting material after synthetic diamond. CBN is very resistant to deformation and flank wear, is extremely fracture-resistant and chemically stable - for high resistance to diffusion and oxidation. The cutting material also has an extreme hot hardness in order to be able to act reliably in cutting zone temperatures between 250°C and 1000°C, which are required depending on the material. For high-performance machining in all areas, we offer high-precision and durable indexable inserts in a large selection of geometries and blade variants.
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