Specification AirFlowCapacity : 45 cubic_feet_per_minute Brand : Heyiarbeit BulletPoint1 : 【Size】-Shaft Usage: 12.7mm to 12.7mm / 0.50inch to 0.50inch; length: 35mm/1.38inch; Outer diameter: 30mm/1.18inch BulletPoint2 : 【Material】-Aluminum alloy; Wear resistant ,high hardness and excellent response; Super elastic torque can absorb vibration, appropriate a large torque transmission;Type: Plum shaped BulletPoint3 : 【Features】-Flexibility of coupling shaft removes stress between the motor and driving components. BulletPoint4 : 【Advantages】-Super torque can absorb vibration, appropriate a large torque transmission; High hardness, Durable, and excellent response, not easy to loosen. BulletPoint5 : 【Suitable for】-The shaft couplers are mainly used for CNC machines,servo motors, spindle, step motor,etc. Color : Ts24-r V2.0 CompatibleDevices : 3d printer CoolingMethod : Air ExteriorFinish : Aluminum ExternallyAssignedProductIdentifier : 8216355088934 ExternallyAssignedProductIdentifier1 : 0747086468095 ExternallyAssignedProductIdentifier2 : 747086468095 FinishType : Polished ItemName : Heyiarbeit 12.7mm to 12.7mm Shaft Coupling Aluminium Flexible Plum Coupling D30 L35 Connector Flexible Coupler for 3D Printer CNC Machine and Servo Stepped Motor ItemPackageDimensions_Height : 13.2 centimeters ItemPackageDimensions_Length : 3.7 centimeters ItemPackageDimensions_Width : 9.1 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : 3d-printer-accessories Manufacturer : Heyiarbeit Material : Aluminum MaximumRotationalSpeed : 4024 rpm MetalType : Aluminum ModelName : Marhynchus42tdgs5gvz ModelNumber : DFR0201GP0509-FBA NoiseLevel : 61 decibels NumberOfBoxes : 1 NumberOfItems : 1 PackageLevel : unit PartNumber : DFR0201GP0509-FBA ProductDescription : Heyiarbeit Plum Blossom Clamping Elastic Coupling specification: Outer diameter :30mm/1.18inch Length :35mm/1.38inch Shaft Usage:12.7x12.7mm/ 0.50 x 0.50inch Radial deviation: 0.02mm Maximum torque: 13N.m Maximum speed: 15000 rpm Screw diameter: M4 Angular deviation: 1℃ Axial deviation: 0.3mm Rated torque: 6.5N.m Features: 1.The shaft couplers are widely applied to small CNC machines encoding and 3D printers Z shaft coupling, simplifies the debugging difficulty. 2.General purpose power transmission coupling, also used in motion control applications and rotational power transmissions, is good replacement for your needs. 3.It is designed to transmit torque while damping system vibrations and accommodating misalignment to protect other components from damage. 4.The Shaft Coupler is not elastic,Shaft must be located in a straight line,If your equipment is eccentric already, then it will make noise and cause off-centering.