Cutting tool and cutting insert for the same

A rotary cutting tool having an rotary axis (A), comprising:

• one or more cutting portions comprising a cutting insert and an insert pocket formed on a body of the cutting tool for mounting the cutting insert;
• said insert pocket having a top surface with one or more recessed portions with a shape of serration, a bottom supporting surface opposing the top surface and a radial inner rear supporting surface connecting the top surface and the bottom supporting surface;
• said cutting insert comprising a top surface mating with said one or more recessed portions with a shape of serration of the insert pocket, a bottom surface mating with the bottom supporting surface of the insert pocket, and a radial inner side surface connecting to the cutting insert's top and bottom surfaces,
• wherein the radial inner side surface mates with the insert pocket's radial inner rear supporting surface;
• wherein the top surface of the cutting insert comprises one or more outwardly sloped surfaces mating with the one or more recessed portions on the top surface of the insert pocket and one or more inwardly sloped surfaces positioned off the one or more recessed portions of the insert pocket.

A rotary cutting tool having a rotary axis (A) and comprising:

• a cutter body having a plurality of circumferentially spaced apart cutting portions along a periphery thereof;
• each cutting portion comprising:
• a cartridge pocket comprising a top surface, a rear supporting surface and a bottom supporting surface;
• a cartridge mounted in the cartridge pocket, the cartridge comprising:
• a top surface which contacts the top surface of the cartridge pocket;
• a radial inner side surface which contacts the rear supporting surface of the cartridge pocket;
• a bottom surface that contacts the bottom supporting surface of the cartridge pocket;
• and
• a radial outer side surface;
• and
• an insert pocket having a top surface, a bottom supporting surface, and a rear supporting surface;
• wherein:
• a serrated portion of the bottom surface of the cartridge forms the top surface of the insert pocket;
• the radial outer side surface of the cartridge is provided with a screw hole formed above the top surface of the insert pocket and a slot formed along the screw hole;
• and
• upon rotation of a securing screw further into the screw hole, the slot is configured to expand and urge the top surface of the insert pocket in the direction of the bottom supporting surface of the insert pocket.