* DR Aluminium alloy material, 4mm 5mm 6mm 8mm 10mm Shaft Flexible Coupling Coupler.

* Standard: Outside D=18mm or 20mm, length=25mm. (For other ouside D and length, please specify when ordering)
* Diameter of hollow shaft, standard shaft bore: 4mm, 5mm, 6mm, 8mm. (or 10mm or bigger hole size, need to be specified when ordering)
* Zero backlash.
* Excellent response and high torque capacity.
* Identical clockwise and anti-clockwise rotational characteristics.
* One-piece metallic spring coupling, 2 screws for clamping.
* For servomotor, step motor connection.
* Material: Engineering plastics
* M: The hole dia. Of the encoder end. N: The hole dia. Of the user end.
* Torque<5.0Nm, the axial degree <0.5mm, the corner setover<1 degree.
* Extensive application.