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4Pcs Shaft Coupler 8mm to 8mm Rigid Screw Coupling, 45# Steel Coupler Rigid Couplings for 3D Printers Motor Accessories in Saudi Arabia

4Pcs Shaft Coupler 5mm to 5mm Rigid Screw Coupling, 45# Steel Coupler Rigid Couplings for 3D Printers Motor Accessories

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Special Features

  • Premium 45# Steel Material: This rigid shaft coupling is constructed from high-quality 45# steel, a high-strength iron-based alloy that is harder and more durable than ordinary iron. It features excellent wear resistance, stable performance, and a long service life, making it ideal for heavy-duty mechanical transmission applications.
  • 90° Fastening Design with 32 Set Screws: Adopting a 90-degree fastening structure, this rigid coupling is equipped with 32 set screws for dual-axis locking. The secure clamping design ensures tight and stable connection between shafts, effectively preventing slipping and ensuring reliable torque transmission during operation.
  • Precision Machining & Standard Specifications: You will get 4 pcs Bore Rigid Coupling. Each coupling connection diameter: 8mm to 8mm, Total Length: 35mm/1.38", Outside Diameter: 14mm/0.55". It adopts a through‑hole design, with each bore length accounting for half of the total coupling length. The bore diameter tolerance is within 0.05mm, suitable for high‑precision equipment.
  • Outstanding Transmission Performance: This rigid coupler delivers high torque transmission, great rigidity, low inertia and high sensitivity. It provides stable and efficient power transfer, making it widely compatible with motors, hardware tools, molds, and various mechanical transmission systems.
  • Wide Application & Important Note: Suitable for CNC machines, 3D printers, stepper motors, blowers, DIY robots, gearboxes and other mechanical equipment. Important note: rigid couplings do not allow eccentricity; please make full adjustments during installation to ensure optimal performance and operational stability

Description

Product Description
Our premium shaft coupler connectors are manufactured from high-strength 45# steel, providing superior hardness, durability and wear resistance compared with ordinary iron materials. Designed with a stable 90° fastening structure and multiple set screws, they ensure firm shaft locking, reliable torque transmission and excellent anti-slip performance.
These rigid couplers feature outstanding rigidity, low inertia and high sensitivity, delivering stable and efficient power transmission for various mechanical systems. With precise workmanship and reliable structure, they are widely applied in industrial machinery, automation equipment and DIY projects.
Ideal for motors, CNC machines, 3D printers, gearboxes and other transmission equipment, these shaft coupler connectors offer long service life and stable operation. Please ensure accurate alignment during installation to maintain optimal performance and stability.

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