Befenybay 2PCS 5mm to 5mm Aluminium Plum Flexible Shaft Coupling Diameter 20mm Length 25mm Connector Flexible Coupler for 3D Printer CNC Machine and Servo Stepped Motor（5x5mm）

• Size:L25mm x D20mm/0.98inch x 0.79inch( L*D) Bore Diameter: 5mm to 5mm / 0.19inch to 0.19inch
• Material: Aluminum alloy Type: Plum shaped
• Super torque can absorb vibration, appropriate a large torque transmission.High hardness,Durable,and excellent response,not easy to loosen
• Flexibility of coupling shaft removes stress between the motor and driving components
• The shaft couplers are mainly used for CNC machines,servo motors, spindle, step motor etc

PLEASE NOTE: The shaft coupler is not elastic, can not modify the concentricity.Shaft must be located in a straight line. If your equipment is eccentric already, then it will make noise and cause off-centering. Please be cautious before your final purchasing, thank you. Product Name: Shaft Plum Coupling Type: Plum Shaped Shaft Usage: 5mm to 6.35mm / 0.19inch to 0.25inch Size: :L25mm x D20mm/0.98inch x 0.79inch( L*D) Material: Aluminum Alloy,Polyurethane Main Color: Silver Tone,Red Weight: 30g The shaft couplers are mainly used for CNC machines,servo motors, spindle, step motor etc Package Content: 2 x Shaft Plum coupling 1x Allen Key