Patent ID: 7682109

Claim:
A cutting tool comprising: a cutting insert comprising a cutting portion and a mounting portion, the mounting portion comprising: inner and outer surfaces and a peripheral surface extending therebetween; a through bore passing through the inner and outer surfaces; first and second insert abutment surfaces located on the peripheral surface, the first and second insert abutment surfaces being situated at a greater distance from the cutting portion than the through bore; and a third insert abutment surface located adjacent the inner surface but spaced apart from the peripheral surface and situated closer to the cutting portion than the through bore; and a tool body having a pocket comprising: a base surface; a back wall surface oriented transversely to the base surface and forming a partial boundary of the base surface at a rear end of the pocket; first and second pocket abutment surfaces situated on the back wall surface; a third pocket abutment surface oriented transversely to the base surface and spaced apart from the back wall surface; and a threaded bore in the base surface situated closer to a front surface of the tool body than the first and second pocket abutment surfaces and further from the front surface than the third pocket abutment surface; wherein: the cutting insert is releasably retained in the pocket by a clamping bolt located in the through bore and threadingly received in the threaded bore; and the first, second and third insert abutment surfaces abut the first, second and third pocket abutment surfaces, respectively.