Hex Brass Shaft Coupling Bore 3/4/5/6/7/8mm Length:30mm Motor Connector for Car Wheels Tires RC Car DC Motor DIY Robot

Name:  Hex Brass Shaft Coupling  Material: Brass Surface: Untreated Product Specifications: Total coupling length: 30mm Cylindrical section length: 24mm Cylindrical section outer diameter: 11.5mm Hexagon side length: 7mm Diagonal distance: 13.6mm Opposite side distance: 12mm Quantity: 1/2/5/10 Pcs(Available for selection)

Bore Parameters: The inner bore of the cylindrical section comes in four sizes—3、4、5、6、7and 8 mm—suitable for connecting shafts with diameters of 3、4、5、6、7and 8 mm respectively. Screw Hole Dimensions: M4 screws (included) for side fastening; M4 screws for securing the hexagonal center hole.

The extended hexagonal coupling serves to lengthen the drive shaft, enabling motors using this coupling to effectively extend transmission distances. This coupling is commonly used to connect the shaft of a gear motor to a hexagonal wheel, and can also be used to connect the motor shaft to other model components.

Please note:

Each coupling comes with 2 matchine screws and one wrench (Only one wrench is included per order).

Friendly Tips: 1.Due to manual measurement, please allow slight errors. 2.Due to differences between different displays, the images may not reflect the actual color of the item.