A single- or multi-spindle hand tool or fixtured nutrunner can be mounted to the arm using various tool holder options. Different tool holders can be selected to provide an optimized solution for each unique application. A range of modular, easily-adaptable accessories are also available to complement the offering. The primary components that comprise the Articulated Arm are the Pillar and the Arm assembly (consisting of shoulder, boom, elbow, parallel arm and hand flange clamp). The pillar can be securely mounted to the floor or to an overhead structure. The arm can also be mounted to an overhead rail system via a trolley carriage for more flexible application requirements.