sourcing map 5mm to 8mm Bore Rigid Coupling Set Screw L25XD18 Aluminum Alloy,Shaft Coupler Connector for 3D Printers, Motor Accessories,4pcs

Description:
Made of high-strength aluminum alloy with integrated structure,maintenance-free, oil proof and corrosion resistance.
Top tight type rigid coupling,high torque with rigidity, low inertia and excellent sensitivity.
No rotation gap, elastic action can make up for symmetrical angular misalignment.
Suitable for model car, model boat, hardware, mechanical drive si...