alkeke Flexible Couplings 5mm to 8mm NEMA 17 Shaft for RepRap 3D Printer or CNC Machine(2PCS)

New Precision Aluminum Flexible Shaft Coupler Grub screws (2x Top & 2x Bottom) Coupler Diameter: 18mm Top Shaft Diameter: 8mm,Bottom Shaft Diameter: 5mm Coupler Height: 25mm Top Shaft Diameter: 8mm Bottom Shaft Diameter: 5mm Coupler Height: 25mm Coupler Diameter: 18mm Weight: 17g (approx) Meterial: Aluminium. 4 Grub screws (2x Top & 2x Bottom) High Quality Aluminium Shaft coupler.Ideal for Stepper Motor, Servo Motor, Screw Driving connections.Complete Brand New and Quality Checked for Best Quality Product Description Flexible shaft couplers used in small CNC machines and 3D printers such as Prusa i3 or ORD Bot. Flex capability of the coupler removes stress when shafts are not aligned perfectly. Package Contents 2 x Shaft coupler 5mm to 8mm.

Product Features

  • Flexibility of this coupler removes stress between motor and driving component
  • Aluminum alloy as raw material: torsionally stiff with dampening and lightweight for low intertia
  • Since it is a single piece metallic flexible coupling, there does not exhibit the backlash
  • The flexing action compensates parallel, angular misalignment and shaft end-play Constant velocity and accommodate axial motion;

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