4mm to 3mm Motor Shaft Coupling Joint

Use this universal metal joint to connect 2 motor shafts or axles. Fits 4mm shafts on one side and 3mm shafts on the other with set screws for size adjustment!

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Specifications:

Shaft Coupling Joint
Supported Shaft Size Side A: between 3mm and 5mm
Supported Shaft Size Side B: between 2mm and 4mm
Compatible with 2-5mm axles, Brushless and Brushed motors
Metal joint diameter: 9mm
Side hole threads: M3
Tighten the set screws on each side so it fits snugly on any shaft with diameter in the range above.

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