Cutting tool, with serrated connecting surfaces on the insert and insert seat

Cutting insert for cutting tools, comprising a serration connecting surface, which comprises a plurality of ridges spaced-apart by grooves,

• wherein, in the serration connecting surface, at least one of an enlarged ridge and an enlarged groove is arranged between two spaced-apart fields,
• wherein the two spaced-apart fields each comprises a plurality of ridges of a second size, the second size being different than a size of the at least one of the enlarged ridge and enlarged groove,
• wherein in the at least one of the enlarged ridge and enlarged groove is oriented parallel with the plurality of ridges in the two spaced-apart fields, wherein the first serration connecting surface is on a bottom side opposite a top side and adjacent a clearance surface of the cutting insert, and wherein the cutting edge of the cutting insert is the edge where the top side and clearance surface intersect.

Part to cutting tool, comprising a serration connecting surface serving as an insert seat, which serration connecting surface comprises a plurality of ridges spaced-apart by grooves, wherein, in the serration connecting surface, at least one of an enlarged ridge and an enlarged groove is arranged between two spaced-apart fields,

• wherein the two spaced-apart fields each comprises a plurality of ridges of a second size, the second size being different than a size of the at least one of the enlarged ridge and the enlarged groove,
• wherein the at least one of the enlarged ridge and enlarged groove is oriented parallel with the plurality of ridges in the two spaced-apart fields, wherein the serration connecting surface serving as an insert seat is positioned on the cutting tool to mate with on a bottom side opposite a top side and adjacent a clearance surface of a cutting insert, and wherein the cutting edge of the cutting insert is the edge where the top side and clearance surface intersect.