rymafyri11 months ago000What is the diameter of the drill connection shank?Show in original language (German)David Raemy11 months ago+110 Helpful answerBased on the information available, the diameter of the connection shaft for the drills is 20 mm.Show in original language (German)Commentrymafyri11 months ago000Or to put it another way: What is the diameter of the drill bits on the part that is inserted into the auger?Show in original language (German)Comment