Abstract: A set of surgical instruments for use in a surgical procedure to insert an implant, particularly a dental implant, in the bone of a patient comprises at least one drill hub configured for connection between a surgical drill handpiece and a drill. The drill is driveable by the drill handpiece via the drill hub. The drill hub has an end surface having defined therein a socket configured for receiving the drill. The socket has a defined depth to provide a predetermined extent of the drill from the end surface.