What is this?Couplings are widely used in blowers, 3D printers, DIY robots, CNC machine tools, stepper motors, etc. Similar to rigid clamp couplings, shaft couplings are used to secure bearings and sprockets tightly to shafts and are used in motor and transmission components. Suitable for model cars, model ships, hardware, mechanical drive occasions, etc.What will I get?Connection Bore Diameter: 5mm to 5mmScrew Thread Size: M3*0.5Total Length: 25mm /0.98-inchOutside Diameter: 10mm/0.39-inchMaterial: Aluminum AlloyIn the package of: 1 Set x Rigid Coupling (Include 8pcs Coupling + 32pcs Screws + 2pcs Wrench)Are there any advantages of the product?Made of brass, it has good electrical conductivity, high strength, high hardness, integrated structure, maintenance-free, oil-proof and corrosion-resistant.
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