Six Pack Brass Motor Shaft Coupling Set For RC DIY Models With 2mm To 2mm And 3mm To 6mm Inner Diameters Durable Brass Connector Sleeve For RC Airplanes Boats And Robots Easy Fit And Solid Machining

Six Pack Brass Motor Shaft Couplings for RC Models
✔️ 9mm OD, 20mm length brass couplers; 6 pcs, inner 2-2mm to 6-6mm

These compact brass motor shaft couplings are designed to join RC motor shafts to propellers, gears, or driven shafts. They are widely used in RC airplanes, boats, and robotics projects where a reliable torque transfer matters. The set includes six pieces with screws for quick, secure installation.

✅ Outer diameter: 9 mm
✅ Height: 20 mm
✅ Material: brass
✅ Inner diameter options: 2 mm-2 mm, 3 mm-3 mm, 3 mm-4 mm, 3 mm-5 mm, 3 mm-6 mm, 3.17 mm-3.17 mm, 4 mm-5 mm, 5 mm-5 mm, 6 mm-6 mm
✅ Package: 6 pieces with screws
✅ Thread size: M3 screws included
✅ Net weight: ~9 g

💡 What is a shaft coupling used for in RC models? These handy parts transfer torque from a motor to a driven shaft, keeping power moving where it needs to go. - transfers torque between motor and shaft in RC airplanes, boats, and robots - supports inner diameters from 2 mm-2 mm to 6 mm-6 mm - brass construction provides durability and solid machining - includes screws for quick, secure installation