Specification AgeRangeDescription : adult Brand : Hyuduo BulletPoint1 : Wide range of use: Shaft coupler connector is suitable for connecting 3D printers, DIY robots, CNC machine tools, stepper motors, etc. BulletPoint2 : Professional accessories: Couplings have fine workmanship, professionalism and standards, and are important accessories for screw rods. BulletPoint3 : Clamp-type installation: Double diaphragm coupling adopts clamp-type installation method, which is more firm in installation and more stable in use. BulletPoint4 : Double Diaphragm Coupling: This is a double-section U-shaped diaphragm coupling with an outer diameter of 40mm. BulletPoint5 : Good material: Bore coupling adopts good material, light weight. Color : One Color DriveSystem : External Hex ExteriorFinish : Black ExternallyAssignedProductIdentifier : 9463741772840 FinishType : Finish ItemName : Double Diaphragm Coupling, Shaft Coupler Connector, Outer Diameter Aluminum Alloy Hub Stainless Steel Disc Double Diaphragm, Set Screw Couplings ItemPackageDimensions_Height : 4 centimeters ItemPackageDimensions_Length : 7 centimeters ItemPackageDimensions_Width : 5 centimeters ItemPackageQuantity : 1 ItemShape : Square ItemTypeKeyword : set-screw-couplings Manufacturer : Hyuduo Material : Stainless Steel Material1 : Stainless Steel Material2 : Aluminum MetalType : Aluminum MetalType1 : Stainless Steel MetalType2 : Aluminum ModelName : Hyuduoyuxz6ph1cq ModelNumber : Hyuduouz2g8hwdv7 NumberOfBoxes : 1 NumberOfItems : 1 NumberOfPieces : 1 PartNumber : Hyuduouz2g8hwdv7 ProductDescription : 1. Double Diaphragm Coupling: This is a double section U shaped diaphragm coupling, which the outer diameter is 40mm. 2. Wide Range of Use: The coupling is suitable for connecting servo motors, stepper motors, encoders, screw drives, machine tool platforms, etc. 3. Clamp Mounting: The double coupling adopts clamp mounting method, which can be installed securely to the shaft. 4. Excellent Material: The coupling is made of excellent material, aluminum alloy hub is light in weight, stainless steel disc has high strength. 5. Professional Accessory: The coupler is manufactured by fine workmanship, professional and standard, which is an important accessory for screw rod.