Hexagonal Rigid Coupling D12mm x L18mm, Brass Coupling Inner Bore 3.17mm, DC Motor Connector Model Accessories, Lengthened Shaft Coupling 4 PCS

Features: Size: Outer diameter X length: D12mm x L18mm, Inner Diameter 3.17mm. Made of high-quality metal, with high torque rigidity, low inertia and good sensitivity. Hexagonal rigid coupling, with 4 fastening holes on the surface, equipped with machine screws and matching hexagon wrench. The elongated hexagonal coupling has the function of extending the shaft;The motor using this coupling can effectively extend the transmission distance, Can be used for electric car toys, robots, remote control model motors, etc. This coupling can be used to connect the landscape motor shaft to Nine Rainbow, and it can also be used to connect the motor shaft to other model accessories. Specifications: Color: brass color. Material: brass. Size: D12mm x L18mm. Inner Diameter 3.17mm. Note: Due to the light and screen difference, the item's color may be slightly different from the pictures. For manual measurement, there may be an error of 0.5-1mm, thank you for your kindly understanding. Package included: 4 x Lengthened Shaft Coupling.

• Size: Outer diameter X length: D12mm x L18mm, Inner Diameter 3.17mm.
• Made of high-quality brass, with high torque rigidity, low inertia and good sensitivity.
• Hexagonal rigid coupling, with 4 fastening holes on the surface, equipped with machine screws and matching hexagon wrench.
• The elongated hexagonal coupling has the function of extending the shaft;The motor using this coupling can effectively extend the transmission distance, Can be used for electric car toys, robots, remote control model motors, etc.
• This coupling can be used to connect the landscape motor shaft to Nine Rainbow, and it can also be used to connect the motor shaft to other model accessories.