Aibecy Aluminium Alloy Shaft Coupling 5mm to 8mm Bore 14mm Outside Diameter Rigid Couplers Connector for 3D Printer Stepper Motor CNC

Features: 5mm to 8mm bore, total length 25mm, outside diameter 14mm. Made of aluminum alloy material. Able to withstand large torque transmission. Rigid coupling, light weight, low inertia and excellent sensitivity. High hardness, strong wear resistance, good corrosion resistance. Suitable for motor, hardware, mold, CNC, and other mechanical transmission occasions. Specifications: Material: Aluminum Alloy Quantity: 2pcs Outside Diameter: 14mm Height: 25mm Aperture: 5*8mm Thread Size: M4*4mm Item Size(1pc): 1.4 * 1.4 * 2.5cm / 0.6 * 0.6 * 1.0in Item Weight(1pc): 7g / 0.2oz Package Size: 13.1 * 9.0 * 1.5cm / 5.2 * 3.5 * 0.6in Package Weight: 18g / 0.6oz Packing List: 2 * Rigid Shaft Couplers

5mm to 8mm bore, total length 25mm, outside diameter 14mm.Made of aluminum alloy material. Able to withstand large torque transmission.Rigid coupling, light weight, low inertia and excellent sensitivity.High hardness, strong wear resistance, good corrosion resistance.Suitable for motor, hardware, mold, CNC, and other mechanical transmission occasions.