Milling tool for prosthetic surgery operations, comprising: a support part (21, 32, 57) substantially semi-spherical in shape； an attachment part (24, 33, 68) which can be associated with the support part (21, 32, 57) in order to allow the selectively releasable connection of a manipulator device (28)； and a cutting part (81, 82, 83) associated with at least the support part (21, 32, 57) and provided with one or more cutting elements (22).
