The present invention discloses a vertical precision drill (1) of the type used in work which requires a high degree of precision, such as the perforation of dental prostheses, and which essentially comprises a support column (2) on which there are arranged a fixed head (3) containing a motor and a gear mechanism for obtaining different speeds, the main shaft or spindle (4) for drilling and a base (5) located on the lower portion, which supports the assembly, and a perforating element (6) with a diameter equal to that of the retaining screw for screwing the prosthesis or prosthetic assembly to the implant or implant post in the mouth.
