The invention relates to a force-torque sensor as well as to a printed circuit board arrangement and strain gage system therefor. Force-torque sensors for sensing forces and torques of a robotic unit, comprising a one-part support body that has a cylindrical basic shape, and two connecting disks which are parallel to each other as well as at least three bridge elements that interconnect the connecting disks, at least one measuring point being associated with each bridge element and each bridge element having a central cylindrical bore as the measuring point, are known. According to the invention, the outer edges of each bridge element that are opposite each other are each provided with a concave recess in which a respective further measuring point is provided. Use for robotic units
