Patent ID: 7326007

Claim:
A cutting insert comprising: an upper surface, a lower surface, and a peripheral side surface therebetween, the peripheral side surface comprising opposing forward and rear surfaces, and opposing side surfaces extending between the forward and rear surfaces, a rear locating surface being formed in the rear surface; a cutting edge formed at the intersection of a rake surface and a relief surface, with the relief surface being located in the forward surface and the rake surface being located in the upper surface; wherein in a side view of the cutting insert: the rear surface, including the rear locating surface, is straight; and the lower surface comprises: a lower locating surface extending rearwardly from the forward surface; a forward locating surface extending downwardly from the lower locating surface; and a bottom surface extending rearwardly from the forward locating surface to the rear surface, the entire bottom surface being lower than both the front surface and the lower locating surface; and wherein the lower locating surface, the forward locating surface, and the rear locating surface, but neither the upper surface nor the bottom surface, form abutment surfaces on the cutting insert.