Aopin Flexible Couplings Coupler Connector Review

【Flexible Couplings Beam Shaft Size】: 4mm to 8mm / 0.16" to 0.31". Coupling With M4 Fastening Screws. Outer Diameter: 19mm / 0.75", Length 25mm / 1". 【Wide Range of Use】: Beam Coupler Are Used In Servo Motor Systems, 3D Printer, Cnc Machine, Diy Encoderspindle Transmissions, Stepping Motors, Lifting Platforms, Machine Tool Transmissions, Stepping Motors, Encoders, Screw Drives, Machine Platforms Or Gearboxes, Etc. The Purpose Is To Firmly Connect The Driving Shaft And The Driven Shaft To Rotate Together And Transmit Motion And Torque. Great Suitable For Short Support Shaft, Bushing Model, Miniature Shaft, Model Airplane/ Boat / Car. 【4mm to 8mm Flexible Couplings Material】: High-Quality Aluminum Alloy Material, The Surface Is Treated By Anodizing, With Superior Corrosion Resistance.Color: Silver, Suitable For Working In High Temperature (-80°C / +300°C) And Harsh Environments, Even If There Is Vibration And Shock , It Is Still Safe To Move. 【Compensate For Axial And Radial Offset】: Shock Mitigation, Vibration Absorption, High Transmission Efficiency, Noise Reduction, And Low Wear. When The Rated Torque Is Exceeded, The Coupling Can Protect The Safety Of The Linkage. 【Package】: 2 Pcs Flexible Beam Couplings. Aopin Recommends Using M2 Hex Wrench!.