SMD High Precision Servo Gearbox provides solutions that can be easily used with Lead Screw, with the ball making a rolling motion between the screw axis and the Nut. This nut is fixed with the gearbox output mounting so that rolling motion could run efficiently. The Ball screw is used with the Gearbox where high precision is required for the application and therefore SMD SS Series ( Right Angle Gearbox) is considered most suitable.