Harmonic Drive® miniature speed reducers offer zero backlash and high torque in a small package. With outline dimensions starting at just under 13mm, these gearheads are commonly used in robotics and semiconductor equipment. Miniature gearheads are also available with precision matched motors and encoders. Complete mini and supermini actuators are available in 3 ratios, and multiple configurations. When space is tight and precision can’t be compromised, mini gearheads and actuators from Harmonic Drive provide dependable, easy-to-use, cost effective solutions.