Patent Number: 6,254,316

Title: Cutting tool and cutting insert

Abstract: A milling cutter comprises a holder and at least two cutting inserts. Each cutting insert has a generally hexagonal or octagonal basic shape and includes at least three major cutting edges. An edge face of each insert is provided with a step defining an exit zone for a fracture. At least one of the cutting inserts is a wiper insert and alternating ones of the cutting edges of the wiper insert are major cutting edges separated by a wiper edge. A first distance of the wiper insert extending between two diametrically opposed wiper edges is larger than a second distance of the wiper insert extending between two diametrically opposed major cutting edges.

Inventors: Strand; Bengt (Fagersta, SE)

Assignee: Seco Tools AB

International Classification: B23C 5/20 (20060101); B23C 5/16 (20060101); B23C 5/22 (20060101); B23C 005/20 (); B23B 027/22 ()

Expiration Date: 07/03/2018