5 to 8mm Aluminum Rigid Coupler for CNC Machines and 3D Printers Stepper Motors Shaft
This kind is one of the strongest and best centering coupler that you can give to your machine. Its got enough flexibility to forgive any misalignment and strength to grip on both ends of the connected shafts. The way it grips onto the shaft delivers consistent alignment. One end has a shaft input diameter of 5mm and the other of 8mm. Outer diameter: 30mm Length: 40mm.
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