Cutting tool holding a plurality of types of cutting inserts

A cutting tool, comprising:

• a toolholder for holding a plurality of types of removable cutting inserts, the toolholder including a toolholder body having an insert-receiving recess, the recess including an insert abutment surface for abutting a corresponding insert supporting surface of an insert, the insert abutment surface having a first portion that abuts a first insert supporting surface of a first type of cutting insert and a second portion that abuts a second insert supporting surface of a second type of cutting insert, wherein the second portion includes two substantially triangular parts separated by the first portion and disposed at non-zero angles relative to the first portion, and wherein either one of the first type of cutting insert or the second type of cutting insert is mounted in the at least one insert-receiving recess;
• and
• at least one of the first type of cutting insert abutting against the first portion and/or at least one of the second type of cutting insert abutting against the second portion.