Patent ID: 8840342

Claim:
A finishing cutting insert for use in a chipforming material removal operation, the cutting insert comprising: a cutting insert body having a seating surface and a flank face, a corner cutting region at the intersection of a peripheral edge and the flank adjacent corresponding corners thereof; the cutting insert body containing a central aperture; the seating surface containing a coolant delivery trough, the coolant delivery trough having a radial orientation toward a corresponding corner cutting region, the coolant delivery trough having a radial outward end terminating at the peripheral edge and a radial inward end opening into the central aperture; a pair of lateral topographic regions wherein the one lateral topographic region is along one side of the coolant delivery trough and the other lateral topographic region is along other side of the coolant delivery trough; and wherein each one of the topographical regions comprising a lateral notch having a forward-facing beveled face and a beveled lateral face being generally parallel to the coolant delivery trough, and wherein the beveled lateral face decreases in area from an intersection with the forward-facing beveled face and a termination with the peripheral edge, and a plurality of projections on the beveled lateral face.