Feature:1. WEAR RESISTANT PA66: Flexible shaft coupling glue block material using imported PA66, with good wear resistance, corrosion resistance and electrical insulation2. SMALL DEVIATION: Shaft coupling sliding design can compensate radial and angular deviation more effectively3. FLEXIBLE AND REMOVABLE: The flexible coupler has a detachable design for easy installation and is secured by clamping screws4. APPLICABLE SCENES: 3D printer flexible coupler is mainly used for CNC machine tool, servo motor, spindle, stepper motor and so on5. SMALL VIBRATION: Flexible coupler has super torsion, can absorb vibration, suitable for high torsion transmission. Possess high hardness, durable, good response, not easy to looseSpecification:Item Type: Flexible Shaft CouplingModel: D20L33Product Dimension: Approx. 20 x 33mm / 0.79 x 1.3inRated Torsion: 1.2N.MTolerance of Eccentricity: Approx. 1.2mm / 0.05inAllowable Deflection Angle: Approx. 3mm / 0.12inMaximum Speed: 7000rpmStatic Torsion Stiffness: 58N.M/radCommonly Used D1, D2, Axes Diameter: Approx. 5mm / 0.2in6mm / 0.24in6.35mm / 0.25in7mm / 0.28in8mm / 0.31inThread: M2.5Shaft Socket Material: High strength aluminum alloyGlue Block Material: PA66Surface Treatment: Anodizing treatment.Package List:1 x Flexible Shaft Coupling