INDEXABLE INSERT

摘要

An edge replacement cutter tip (1) having at least a face (2) and a seat face (5), comprising a base material and a coated layer formed on the base material. The coated layer is formed of one or more layers and at least one of the layers covers the entire surface of the base material. Also, the coated layer is characterized by comprising such a relation as F1 < F2 where a residual stress on the face (2) is F1 and a residual stress on the seat face (5) is F2.