Product use: It is used to connect two steel shafts, connect the transmission shaft and the motor shaft, etc. . For example, connecting the threaded screw and the motor shaft; for example, connecting the propeller drive shaft and the motor shaft...
For example, there is a motor with a shaft diameter of 2mm and a steel shaft with a diameter of 5mm. If you want to connect the motor shaft with the steel shaft, you need to use a 2mm to 5mm coupling...
Dimensions: The diameter of both ends is about 9mm, the diameter of the middle is about 7mm, and the total length is about 20mm;
Parameter meaning: 2mm - 3mm (indicating that one end is a 2mm hole and the other end is a 3mm hole, which can connect 2mm and 3mm shafts together)
Top screw size: M3 screws are included, and the steel shaft is fixed through the side top screw holes


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