1Pcs Rigid Coupling 3/4/5/6/6.35/7/8/10/12mm Motor Shaft Variable Diameter Conversion Connector Cylindrical Coupling DIY Model

Material: 45# Steel;

Color: Silver;

Screws Size: M4*0.7;  Total Size: 22mm x 14mm/0.87inch x 0.55inch(L*D) 22mm x 16mm/0.87inch x 0.63inch(L*D) 22mm x 20mm/0.87inch x 0.78inch(L*D) The shaft coupler connector is mainly used to connect the shaft of the motor and the Fully Threaded Rod to ensure the normal operation of the machine. Mainly used for 3D printers, DIY model cars, model boats, model Airplane. NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use. Top tight type rigid coupling, high torque with rigidity, low inertia, and excellent sensitivity.No rotation gap and elastic action can make up for symmetrical angular misalignment. Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling. The rigid coupling is a 90-degree fastening design and is fastened by four machine-meter screws! Made of pure steel, the hole diameter error is ±0.05mm, through hole design, the length of the two holes each occupies half of the coupling! Four machine screws are provided for each coupling, and a tightening wrench is provided for each order! For all size materials, please refer to the actual product received. If you have any questions, please contact our customer before purchasing.