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Shaft Coupler 2mm to 3mm

Connect a 2mm shaft to a 3mm shaft or smaller with this shaft coupler. With 2 set screws for each side, you'll get a secure connection every time.

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Availability: ✅ Ships Today

Last Updated: 07/09/2025

Tinkersphere

TS2113

$4.99

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Features:

  • Shaft Coupler
  • Useful for connecting stepper motors and motors with 2mm or smaller shafts to a 3mm rod / axle
  • Side A: 2mm Diameter
  • Side B: 3mm Diameter
  • Coupler Type: Standard
  • Material: Copper
  • Number of Set Screws: 4 total
  • Commonly used for CNCs, servo motors, stepper motors, encoders, axles, etc.
  • Total Length: 20mm
  • Total Diameter: 9mm
  • Includes:
    • 2mm to 3mm Copper Shaft Coupler
    • 4 Set Screws
    • Allen Key
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