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5PCS Rigid Coupling Set Screws, Shaft Coupler Connector Aluminum Alloy Shaft Joint with Screw & Wrench for for 3D Printer,DIY Robots, CNC Machine,Motor Accessories (4mm to 4mm)

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Product Information

Coupling Connector: Used to tightly fix bearings and sprockets on the shaft to ensure the normal operation of the machine, widely used in blowers, 3D printers, DIY robots, CNC machine tools, stepper motors, etc.
Connection Diameter: 4mm to 4mm, total length: 0.98 inches/25mm, outer diameter: 0.55 inches/14mm, each package includes 5 rigid couplings, 20 screws, and 1 hex wrench.
Metal Material: Motor coupler connector is made of high-quality aluminum alloy material, with an anodized surface that is rust proof and corrosion-resistant, and can be used for a long time.
Excellent Performance: Tightening rigid coupling with high torque, low inertia, and excellent sensitivity, without rotational clearance and elastic effect to compensate for symmetrical angle misalignment.
Widely Application: Suitable for connecting motor shafts of the same diameter or shafts of the same diameter, widely used in hardware, 3D printers, DIY robots, car and ship models, mechanical communication and other fields.

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