JMT 5pcs Hex Coupling/ Coupler /Hexagon Connector Copper 30mm Length 8mm 7mm 6mm 5mm 4mm 3mm Wheel Motor Part for Smart Car Robot
The lengthened hexagonal coupling is used to extend the transmission shaft. The motor using this coupling can effectively extend the transmission distance. This coupling is often used to connect the shaft of the reduction motor with the hexagonal wheel, and it can also be used to connect the shaft of the motor with other model accessories.
Name: Extension coupling
Material: Brass
Motor hole diameter: 3mm, 4mm, 5mm, 6mm, 7mm, 8mm
Length: 30mm
Size: 12mm from side to side
[Outline parameters]:
The total length of the coupling is 30mm,
The length of the cylindrical part is 24mm,
The outer diameter of the cylindrical part is 11.5mm,
Hex side is 7mm,
Diagonal distance 13.6mm,
Opposite side distance 12mm,
[Aperture parameters]: The inner diameter of the cylindrical part has 4 types of 3, 4, 5, 6, 7, and 8mm, which are suitable for connecting shafts with diameters of 3, 4, 5, 6, 7, and 8mm, respectively
[Screw hole size]: M4 screws for side fastening (with screws), M4 screws for hexagonal center hole fixing screws