Brass Shaft Coupling Connectors Set For 3D Printers 2Mm To 2Mm With M3 Thread 9Mm Outer Diameter 20Mm Length Includes Spanner And 10 Pcs Couplers 2 Mini Hex Wrenches And 40 Screws
✔️ 9mm OD, 20mm length, 2-2mm bore, M3 thread, brass
This brass shaft coupling kit lets you connect two shafts with a 2mm to 2mm bore and M3 thread, ideal for compact drive setups in 3D printers, hobby robotics, and small motors.
✅ Inner hole diameter: 2mm to 2mm
✅ Outer diameter: 9mm (0.35 in); length: 20mm (0.79 in)
✅ Thread size: M3; material: brass, high temperature resistance, corrosion and oil resistance
✅ Includes: 10 pcs motor shaft couplings, 2 mini hex wrenches, 40 screws
💡 What is a brass shaft coupling used for in small machines and 3D printers? Brass shaft couplings are handy for joining two shafts to adapt drive lines in tight spaces. - Handy for connecting 2mm to 2mm shafts with M3 threading - Useful when you need to swap shaft sizes without changing motors - Brass handles heat and resists corrosion for long life