Invention Grant

Cutting tool
Abstract:
[Object] To provide a cutting tool having good chipping resistance and good wear resistance.[Solution] Provided is a cutting tool 1 including a base body 2 whose surface is coated with a coating layer 6 made of CraM1-a (C1-xNx) (here, M is at least one element selected from Ti, Al, Si, W, Mo, Ta, Hf, Nb, Zr, and Y, 0.01≦a≦0.4, and 0≦x ≦1), a cutting edge 5 is formed on an intersection ridgeline between a rake face 3 and a flank face 4, and the coating layer 6 for the cutting edge 5 has a Cr content ratio greater than a Cr content ratio of the coating layer 6 for the flank face 4.
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