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Cutting insert

Image Number 2 for United States Patent #4116576.

A cutting insert for controlling the removal of metal from a workpiece. A cutting edge of the insert is formed by the intersection of a peripheral wall surface with a raised land planar surface. A first curved portion adjoins the land surface and a descending wall surface. A second curved portion adjoins the descending wall surface and a lower planar surface substantially parallel to the land surface.

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