Patent ID: 7004689

Claim:
A cutting insert for a high-speed milling cutter having a shank with an insert pocket for receiving said cutting insert, said cutting insert comprising: a top surface, a bottom surface and side surfaces; a radiused primary cutting edge defined at the intersection between the top surface and two side surfaces; a radiused secondary cutting edge defined at the intersection between the top surface and one of said two side surfaces, said radiused secondary cutting edge extending along a longitudinal axis of said cutting insert; a tertiary cutting edge defined at the intersection between the top surface and the other one of said two side surfaces; and a transitional edge defined at the intersection between said tertiary cutting edge and said radiused secondary cutting edge, wherein said tertiary cutting edge extends entirely between said radiused primary cutting edge and said transitional edge, and wherein said tertiary cutting edge has a length shorter than a length of said radiused secondary cutting edge.