Patent ID: 7604440

Claim:
An indexable cutting insert, comprising an anterior layer cutting head portion and a posterior layer portion, wherin: the anterior layer cutting head portion comprises: an anterior face, and mutually inclined lateral faces extending transversally to the anterior face and joining each anterior face, wherein the mutually inclined lateral faces delimit together with the anterior face, a front view profile formed by a certain number of cutting edges mutually inclined in the direction of said profile, the mutually inclined lateral faces joining the anterior face at the cutting edges and the cutting edges being located substantially in a same plane, the posterior layer portion constitutes an anchoring base for anchoring the indexable cutting insert on a tool holder, the posterior layer portion comprising: a posterior face for supporting the indexable cutting insert on a bottom of a seat of the tool holder; and lateral framing supporting faces for supporting the indexable cutting insert on walls of the seat of the tool holder, the lateral framing supporting faces extending transversally to the posterior face and joining each the posterior face; the number of said lateral framing supporting faces is smaller than the number of cutting edges; and the cutting edges define cutting noses, each cutting nose protruding with respect to a respective one of the lateral framing supporting faces.