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|1. (WO2018123133) CUTTING TOOL AND METHOD FOR MANUFACTURING SAME|
|Applicants:||SUMITOMO ELECTRIC HARDMETAL CORP.
|Title:||CUTTING TOOL AND METHOD FOR MANUFACTURING SAME|
A cutting tool according to an embodiment of the present disclosure is provided with a blade tip that includes cubic boron nitride and/or polycrystalline diamond. The blade tip has a rake surface, a flank surface, and a cutting blade. The flank surface is continuous with the rake surface. The cutting blade is provided at the ridgeline of the rake surface and the flank surface. The curvature radius of the cutting blade is 2-8 μm.