Color: Black, Suitable For Working In High Temperature (-80℃ / +300℃) And Harsh Environments, Even If There Is Vibration And Shock , It Is Still Safe To Move. 【Rigid Flange Coupling Size】: Inner Diameter: 3mm/0., 12 inch, Outer Diameter:10mm/0., 39 inch, Total Height: 13mm/0., 51 inch, Flange Diameter: 22mm/0., 87 inch, Base Height: 3mm/0., 12 inche, 2 x M3 Fastening Screws. 3mm Shaft Coupler Aopin Rigid Flange Coupling 3mm Inner Shaft For 3D Printer, Length 13mm 0 51 Motor Connector Motor Guide Shaft Coupler Car Shaft Cnc Motor Guide Diy Encoder 4pcs M3 Screw Flange Coupling For CNC We provide various kinds of rigid flange coupling for choosing. 1Pc Rigid Flange Coupling 3mm/4mm/5mm/6mm/8mm Moto... – Grandado The Purpose Is To Firmly Connect The Driving Shaft And The Driven Shaft To Rotate Together And Transmit Motion And Torque. Flange Shaft Coupling, suitable for model shaft connection, perfect accessories for RC Model motor, etc., Detail: 1., The ability to compensate for the misalignment of the two axes is strong. 【Couplings Material】: High-Quality Aluminum Alloy Material, The Surface Is Treated By Anodizing, With Superior Corrosion Resistance. 【Wide Range of Use】: Rigid Flange 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. Reminder: The product contains small parts, please keep away from children and pets. 5mm Inner Dia H12x D10 Rigid Flange Coupling Motor Guide Shaft Coupler Motor Connector 2 Pcs For Diy Parts Please select the corresponding coupling according to your needs. 3Mm/4Mm/5Mm/6Mm/8Mm Aluminum Alloy Rigid Flange Co... – Grandado Great Suitable For Short Support Shaft, Bushing Model, Miniature Shaft, Model Airplane/ Boat / Car.