>High torque rigidity, can accurately control the rotation of the shaft, can carry out high-precision control >The lengthening design can compensate the radial, angular and axial deviation more effectively >Designed for servo and stepping motor >No gap between the shaft and sleeve connection, general for positive and negative rotation >Low inertia, suitable for high speed operation >The diaphragm is made of spring steel with excellent fatigue resistance >Fastening method of clamping screw