FYSETC is a professional supplier of 3D Printers related accessories products. It has a professional R&D team and high quality after-sales service to ensure that you can purchase at a reliable price. If you need more, please feel free to email or QA us, we and our engineers are very happy to assist you.
Four screw design, set screw type, beam coupling.Zero backlash.
Top Thread Size: M4
5 x 5mm to 8mm Shaft coupling
1 x Hexagon Wrenches ScrewsCompatible with Nema 17 stepper motor shaft, flexible shaft coupling Z axes coupler for small CNC machines and Reprap Makerbot more 3D Printer, for 5mm shaft diameter.
Material: aluminum Alloy．
Length: 25mm/ 0.98 in, ID:5mm to 8mm
Flexible shaft couplers removes stress between the motor and driving components.
After Sales Guarantee: each one desfective item can have the free replacement or refund, if you meet any issues, please feel free to email or Q＆A us, we will try our best to assist you.