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2 Pcs 5mm to 8mm Flexible Shaft Coupling, Aluminum Plum Spider Jaw Coupler Connector Diameter 20mm Length 25mm (D20 L25) for 3D Printer, CNC Machine, Servo Stepper Motor, DIY Encoder – Red/Silver in Saudi Arabia 2 Pcs 5mm to 8mm Flexible Shaft Coupling, Aluminum Plum Spider Jaw Coupler Connector Diameter 20mm Length 25mm (D20 L25) for 3D Printer, CNC Machine, Servo Stepper Motor, DIY Encoder – Red/Silver in Saudi Arabia 2 Pcs 5mm to 8mm Flexible Shaft Coupling, Aluminum Plum Spider Jaw Coupler Connector Diameter 20mm Length 25mm (D20 L25) for 3D Printer, CNC Machine, Servo Stepper Motor, DIY Encoder – Red/Silver in Saudi Arabia 2 Pcs 5mm to 8mm Flexible Shaft Coupling, Aluminum Plum Spider Jaw Coupler Connector Diameter 20mm Length 25mm (D20 L25) for 3D Printer, CNC Machine, Servo Stepper Motor, DIY Encoder – Red/Silver in Saudi Arabia 2 Pcs 5mm to 8mm Flexible Shaft Coupling, Aluminum Plum Spider Jaw Coupler Connector Diameter 20mm Length 25mm (D20 L25) for 3D Printer, CNC Machine, Servo Stepper Motor, DIY Encoder – Red/Silver in Saudi Arabia 2 Pcs 5mm to 8mm Flexible Shaft Coupling, Aluminum Plum Spider Jaw Coupler Connector Diameter 20mm Length 25mm (D20 L25) for 3D Printer, CNC Machine, Servo Stepper Motor, DIY Encoder – Red/Silver in Saudi Arabia 2 Pcs 5mm to 8mm Flexible Shaft Coupling, Aluminum Plum Spider Jaw Coupler Connector Diameter 20mm Length 25mm (D20 L25) for 3D Printer, CNC Machine, Servo Stepper Motor, DIY Encoder – Red/Silver in Saudi Arabia 2 Pcs 5mm to 8mm Flexible Shaft Coupling, Aluminum Plum Spider Jaw Coupler Connector Diameter 20mm Length 25mm (D20 L25) for 3D Printer, CNC Machine, Servo Stepper Motor, DIY Encoder – Red/Silver in Saudi Arabia 2 Pcs 5mm to 8mm Flexible Shaft Coupling, Aluminum Plum Spider Jaw Coupler Connector Diameter 20mm Length 25mm (D20 L25) for 3D Printer, CNC Machine, Servo Stepper Motor, DIY Encoder – Red/Silver in Saudi Arabia 2 Pcs 5mm to 8mm Flexible Shaft Coupling, Aluminum Plum Spider Jaw Coupler Connector Diameter 20mm Length 25mm (D20 L25) for 3D Printer, CNC Machine, Servo Stepper Motor, DIY Encoder – Red/Silver in Saudi Arabia

2 Pcs 5mm to 8mm Flexible Shaft Coupling – Aluminum Plum Spider Jaw Coupler D20 L30 for 3D Printer, CNC, Stepper Motor (Red/Silver)

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Special Features

  • 【Precision Fit & Wide Compatibility】 – Engineered with precise bore dimensions: 5mm to 8mm (0.19" to 0.31"). Ensures seamless connection between drive shafts and driven components. Compatible with NEMA 17 servo motors, stepper motors, and spindles for 3D printers (Creality, RepRap) and DIY CNC machines. Size: L30mm x D20mm (1.18 " x 0.79").
  • 【Shock Absorption & Motor Protection】 – Features a high-elasticity polyurethane spider insert (plum-shaped) that absorbs vibration and compensates for radial, angular, and axial misalignments. Protects motor bearings from stress damage during high-speed operation – extends the lifespan of your entire motion control system.
  • 【Easy Installation & Secure Grip】 – Clamping type mechanism allows quick assembly without detaching the motor. Integrated fastening screws provide a powerful grip on the shaft – prevents slippage even under heavy load. Installation tip: Center the spider insert between hubs. Use included Allen key – do not over-tighten.
  • 【Professional Grade Durability】 – Each pack includes 2 premium couplings with refined surface oxidation treatment for corrosion resistance. Rigorously tested for concentricity – a reliable choice for upgrading Z-axis lead screws or building custom automation equipment.
  • 【Complete Package & Versatile Application】 – Includes 2 shaft plum couplings + 1 Allen key. Each coupling weighs approx. 34g – lightweight yet robust. Suitable for CNC machines, servo motors, spindles, stepper motors, encoders, robotics, and DIY automation projects requiring reliable shaft-to-shaft connections with vibration damping.

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