2 Pack 8mm To 8mm Shaft Couplings 25mm Long 20mm Diameter Aluminum Alloy Couplers For 3D Printers And Small CNC Machines Torque Transfer Precise Alignment Anti Loosen Design

2-Pack 8mm to 8mm Shaft Couplings, 25x20mm Aluminum
✔️ 2 x 8mm bore, 25x20mm aluminum alloy coupling, silver

These aluminum shaft couplings join two 8mm shafts to transfer torque while keeping precise coaxial alignment. They're a handy fit for RepRap 3D printers and small CNC machines.

✅ Size: 25 mm L x 20 mm D (0.98 in x 0.79 in) with 8 mm bore (0.31 in)
✅ Material: aluminum alloy, silver finish, lightweight and anti-corrosion
✅ Package: 2 x shaft couplings + 1 x Allen key
✅ Weight: ~43 g total for the two pieces

💡 What is a shaft coupling used for in small machines? A handy component that links two shafts to transfer torque with alignment. - Connects two shafts to transfer rotational power with proper alignment - Keeps shafts coaxial, reduces vibration and wear - Ideal for 3D printers and small CNC machines in DIY projects