Specification Brand : KUAOXK BulletPoint1 : 1. Made of aluminum alloy, lightweight, anti-oxidation, CNC cutting, outstanding appearance, high-precision workmanship, and long service life. BulletPoint2 : 2. Provides torque transmission and alignment, efficient coupling design. BulletPoint3 : 3. Widely used: used to transmit motion, widely used in small CNC machine tools, 3D printer Z-axis couplings, etc. BulletPoint4 : 1. High axial load and torque capacity, recessed screw head provides an outer surface without major protrusions to ensure safety BulletPoint5 : 2. Wear resistance, increased surface hardness, aluminum light weight, stainless steel disc high strength BulletPoint6 : 3. Shaft couplings are widely used in small CNC machine tool encoding and 3D printer Z-axis couplings, simplifying the difficulty of debugging. Color : One Color ExteriorFinish : Black Oxide ExternallyAssignedProductIdentifier : 8055477132749 ExternallyAssignedProductIdentifier1 : 0652805157399 ExternallyAssignedProductIdentifier2 : 652805157399 ItemName : Rigid coupling,Stainless steel rigid coupling 1pcs D20L25 3D Printer Part Lead Screw Coupler RIgid Coupler Rigid Coupling Motor Connector Motor Shaft Coupling(4x8) ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : set-screw-couplings Manufacturer : KUAOXK Material : Metal ModelNumber : KUAOXK NumberOfItems : 1 NumberOfPieces : 1 PackageLevel : unit PartNumber : KUAOXK Pattern : Garage Door boards and accessories ProductDescription : 1. The flexibility of the coupling eliminates stress between the motor and the driven components. 2. High strength, strong plasticity, good heat resistance and good toughness. 3. A shaft coupling is a coupling that connects two shafts together to transfer torque and rotational motion.