Patent ID: 7887266

Claim:
A cutting insert comprising: an insert upper surface and an insert lower surface forming insert end surfaces, and a peripheral surface extending between the insert end surfaces, the peripheral surface comprising: opposing insert forward and rear surfaces and opposing insert side surfaces extending between the insert forward and rear surfaces, a through bore having a through bore axis (A) and extending between the insert forward and rear surfaces, a forward cutting edge formed at an intersection of the insert upper surface and the insert forward surface, and an insert engaging element formed on a first portion of the insert rear surface, the first portion being located between the through bore and a first of the insert end surfaces, the insert engaging element extending in a direction between the insert end surfaces and comprising two spaced apart first insert rear abutment surfaces; wherein the insert engaging element is spaced apart from the opposing insert side surfaces by insert rear non-abutment surfaces; and wherein the insert engaging element comprises a protrusion that is located between the insert lower surface and the through bore.