#$%^&*AU2017203452A120181213.pdf#####11 Abstract The present disclosure provides a drill tool (1o) for implant surgery comprising a first central drill part (11) having a first diameter (22) for drilling a recess for an implant post (41), and a second drill part (12) having a second diameter (24) for drilling a recess for an implant hat 5 (43), the second drill part (12) comprising at least one shape cutting edge (14) arranged peripherally around the first central drill part (11), and at least one sharp pre-cutting edge (18) extending beyond the at least one shape cutting edge (14).1/8 10 13 12 16 18 1114 Fig. 1