A metal cutting tool includes a holder arrangement, an indexible cutting insert seated on an insert-receiving site of the holder arrangement, and a screw for fastening the insert to the site. The bottom side of the insert includes more than two upright abutment surfaces arranged to abut respective...http://www.google.de/patents/US6168356?utm_source=gb-gplus-sharePatent US6168356 - Cutting insert and holder for metal cutting machining
