4x 2mm/2.3mm/3mm/3.17mm/4mm/5mm/6mm Brass Flexible Rigid Motor Shaft Coupling Coupler Motor Transmission Connector DIY Material

This product does not contain a wrench, please bring your own

Great accessories for RC model motor, such as airplane boat model.
Widely used in metal, mold, mechanical drive applications.
Between the transmission member can do both screw can do model remote control boat propeller shaft and the motor power.
Connecting two axis with different diameters, can also be connected with a motor axis, or connecting shafts of different diameters.
Widely used in hardware,molds, and the occasion of the mechanical transmission.

Specification:
Material: brass.
Color: gold.
Dimensions: The diameter of both ends is about 9mm, the middle diameter is about 7mm, and the total length is about 20mm;
Parameter meaning: 2mm to 3mm (meaning one end is 2mm hole, the other end is 3mm hole, can connect 2mm and 3mm shaft together)
Top wire size: M3 screw is included, and the steel shaft is fixed through the side screw hole
Specifications:
    2mm to 2mm
    2mm to 3mm
    2mm to 3.175mm
    2.3mm to 3mm
    3mm to 3.175mm
    3mm to 4mm
    3mm to 5mm
    3.175mm to 3.175mm
    3.175mm to 4mm
    3.175mm to 5mm
    4mm to 4mm
    4mm to 5mm
    4mm to 6mm
    5mm to 5mm
    2mm to 4mm
    2mm to 5mm
    2.3mm to 2mm
    2.3mm to 3.17mm
    2.3mm to 2.3mm
    2.3mm to 4mm
    3mm to 3mm
    2mm to 6mm
    3mm to 6mm
    5mm to 6mm
    6mm to 6mm
Note:
There might be a bit color distortions due to different computer resolutions.
There might be size errors due to different computer resolutions.

Package include:
4x golden brass shaft coupling with Screws.