Patent ID: 11883887
Assignee: MK-TOOLS-SERVICE GMBH
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. Drill, comprising:
a base body extending substantially longitudinally in a direction axial to a drill axis, said base body comprising a drilling portion,
a radially inward core region in relation to the drill axis and a radially outer region provided in the base body in the drilling portion,
the drilling portion comprising a core part in the core region and a plurality of spiral-shaped recesses in the outer region,
a plurality of wall parts, each one of the plurality of wall parts arranged between two respective spiral-shaped recesses, each of the plurality of wall parts extending spirally along an axial extent of the core part, and
at least four main cutting edges, each of which extend, at least in sections, along a radial extent of a respective wall part of the plurality of wall parts, and extend radially inward, in relation to the drill axis, up to a front tip point at the drill axis.