Patents Assigned to MK-Tools-Service GmbH
  • Patent number: 11883887
    Abstract: For improving a drill, in particular a spiral drill, comprising a base body extending substantially longitudinally in a direction axial to a drill axis, said base body comprising a drilling portion, wherein a radially inward core region in relation to the drill axis and a radially outer region are provided in the base body in the drilling portion, and the drilling portion comprises a plurality of spiral-shaped recesses in the outer region, and arranged between each two spiral-shaped recesses is a wall part, it is proposed that the drill comprises at least four main cutting edges, in particular exactly four main cutting edge and/or the drill comprises at least three central cutting edge portions.
    Type: Grant
    Filed: February 24, 2021
    Date of Patent: January 30, 2024
    Assignee: MK-Tools-Service GmbH
    Inventor: Helmut Miller