Rigid Motor Shaft Coupling 10mm To 10mm 22mm Total Length 20mm Outer Diameter 4 Pack 90 Degree Coupler Sleeve With 4 Mounting Screws For Precise 3D Printer Gearbox RC Motors And Hobby Projects

High-precision 10mm to 10mm 90° shaft coupler 4pc set
✔️ 90° rigid 10→10mm shaft coupler, 22mm L, 20mm OD, 4pcs

Rigid shaft couplers provide a solid, right-angle link between motors and gearboxes. They’re common in 3D printers, RC gearboxes, and hobby drive setups to ensure precise torque transfer.

✅ 10mm to 10mm connection for direct shaft mating
✅ Total length 22mm (0.87 in) and outside diameter 20mm (0.79 in)
✅ 4 mounting screws included with M5 thread
✅ 90-degree right-angle design for compact layouts
✅ Material: 45# steel, corrosion resistant, low inertia
✅ Single piece set screw clamp for easy mounting

💡 What is a rigid shaft coupler used for and why is it handy? A rigid coupling keeps shafts aligned and transfers torque cleanly in compact drive systems. - rigid shaft coupler 10mm to 10mm for 3D printer gearboxes - 90-degree design fits tight spaces and reduces misalignment - includes M5 mounting screws for quick, secure setup - ideal for hobby motors and mechanical drive projects