Edge-carrying drill, method for the manufacture of the drill, and drilling tool comprising such a drill

摘要

In a first aspect, the invention relates to an edge-carrying drill body ( 1 ) of the type that is intended for deep hole drilling, and which is rotatable around a geometric axis (C) as well as comprises a through channel ( 2 ) arranged for internal chip evacuation, which channel mouths in front and rear ends of the body. Characteristic of the invention is that one or more cutting edges ( 4 ) are made integrally with the rest of the body, more precisely from a hard material, such as cemented carbide or CERMET. In a second aspect, the invention also relates to a method for the manufacture of such a drill body. In a third aspect, the invention furthermore relates to a drilling tool for deep hole drilling.