Shaft Coupling Coupler Connector Boat Robot Motor Joint Model 2mm - 6mm Brass
2mm to 5mm, 2.3mm to 2mm, 2.3mm to 3.17mm, 2.3mm to 4mm, 3mm to 3mm, 2mm to 6mm, 3mm to 6mm, 5mm to 6mm, 6mm to 6mm. to connect a threaded screw with a motor shaft; for example, to connect a boat propeller drive shaft with a motor shaft.