These high quality universal 12mm Key Coupling Aluminum hubs are key-locked and loctited to the motor shaft. They are designed to connect a motor and a wheel. There is a groove of key locked for securing a motor to the hub.
We design, produce and market the key-locked hubs, we also customize the difference size for you to meet your needs and it can be start at a very low order quantity, such as 6mm, 8mm, 10mm, 12mm, etc.
Outside diameter: 57mm
Bore length: 21mm
Inside diameter: 12mm
Net weight: 56g
1 x 12mm Key Coupling Aluminum Hub CB18017