Catalog > Internet of Things (IOT) Related Products > More Platforms Catalog > Internet of Things (IOT) Related Products > 3D Printing Motor Coupler Motor Coupler 5mm > 8mm DHG STEPPER MOTOR COUPLER 5-8MM FIT0248 STEPPER MOTOR FLEXIBLE ALUMINIUM COUPLER 5MM AXIS TO 8MM ROD-OD 20MM Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview This is a 5mm to 8mm Aluminium couplerA common application for this coupler is to connect a stepper motor with a 5mm axis to a larger 8mm rodIn 3D printers it is commonly used to operate a threaded rodThis coupler is cut like a spring, giving it a flexible and spring property Specifications Outer diameter: 20mmLength : 25mmFastening screws : 2 (1 for each side)Material : Aluminium