Cutting tool.

摘要

A cutting tool (1) is disclosed which has a tool body (2), a cutting insert (5) and an insert-holding member (4). The tool body (2) has a recess (3) formed therein, and the cutting insert (5) is received in the recess (3). The insert-holding member (4) is attached to releasably secure the cutting insert (5) in the recess (3). The insert-holding member (4) includes a surface layer having a thickness of 0.1 to 1.0 mm and an interior portion. The surface layer is harder than the interior portion and has a hardness of from HRC 40 to 60.