Abstract: A replaceable drill tip and drill shank combination has a serrated and dowel pinned drill tip and drill shank interface, wherein the drill tip has a serrated bottom surface and a channel for receiving a dowel pin which extends axially from a drill shank, the drill shank having a serrated distal end which engages with the serrations in the bottom surface of the drill tip, and fasteners which extend through the drill tip into the drill shank.