Patent ID: 11969804
Assignee: BOTEK PRäZISIONSBOHRTECHNIK GMBH
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. Deep hole drill comprising a drill head, the drill head having an axis of rotation, a drilling diameter (D), and one or two cutting edges, a planar rake face being assigned to each cutting edge, and the deep hole drill having one or two secondary cutting edges, characterized in that in each planar rake face a plurality of chip-forming devices and/or a plurality of depressions are arranged in spaced intervals along the central axis, wherein the chip-forming devices and/or the depressions in a sectional plane (C) which extends orthogonally to the one or two cutting edges have the shape of an isosceles or uneven triangle.