Specification Brand : DAUERHAFT BulletPoint1 : Double Diaphragm Coupling: This is a double section U shaped diaphragm coupling, which the outer diameter is 40mm. BulletPoint2 : Wide Range of Use: The coupling is suitable for connecting servo motors, stepper motors, encoders, screw drives, machine tool platforms, etc. BulletPoint3 : Clamp Mounting: The double coupling adopts clamp style mounting method, which can be installed securely to the shaft. BulletPoint4 : Excellent Material: The coupling is made of excellent material, aluminum alloy hub is light in weight, stainless steel disc has high strength. BulletPoint5 : Professional Accessory: The coupler is manufactured by fine workmanship, professional and standard, which is an important accessory for screw rod. Color : 3mm ExteriorFinish : Steel ExternallyAssignedProductIdentifier : 9398268767010 FinishType : Finish IncludedComponents : inc ItemName : Shaft Coupler, Double Diaphragm Coupling Lightweight Stainless Steel Disc Stable Mounting for Encoder ItemPackageDimensions_Height : 4 centimeters ItemPackageDimensions_Length : 7 centimeters ItemPackageDimensions_Width : 5 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : set-screw-couplings Manufacturer : DAUERHAFT Material : Material MetalType : no-metal-type NumberOfItems : 1 PartNumber : DAUERHAFTnrsmw5v1i63370 PowerSourceType : PowerSource ProductDescription : Feature: 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 style 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.