Bone plate (1) comprises a bone-side under side, an upper side, and several plate holes (3) with a central hole axis connecting the under side to the upper side. At least one of the plate holes has an inner surface (4) that tapers toward the under side. The inner surface has three or more recesses (6) that extend radially away from the hole axis, and a three-dimensional structure (7). Preferred Features: The three-dimensional structure is macroscopic and preferably consists of partial or complete threads, ribs or elevations.