6mm to 8mm Bore Rigid Shaft Coupler With Set Screw, 25mm Length, 14mm Outer Diameter Aluminum Alloy, Blue Clamp Connector for 3D Printers, CNC Machines, Stepper Motors, DIY Robotics, 2pcs

6-8mm Bore Rigid Shaft Coupler with Set Screws, 25mm Length
✔️ Clamp range 6-8 mm, length 25 mm, OD 14 mm, blue aluminum, 2-pack

This rigid shaft coupler with set screws is made from aluminum alloy for lightweight, high-torque connection between shafts. It is commonly used with 3D printers, CNC machines, DIY robots, and stepper motors. Connection diameter 6-8 mm (0.24-0.31 in); total length 25 mm (0.98 in); outside diameter 14 mm (0.55 in). It holds bearings and sprockets tightly while minimizing rotation gap.

✅ Connection diameter: 6-8 mm (0.24-0.31 in)
✅ Total length: 25 mm (0.98 in)
✅ Outside diameter: 14 mm (0.55 in)
✅ Material: Aluminum alloy
✅ Color: Blue
✅ Package: 2 pcs
✅ Screw size: M4, 8 screws included
✅ Through angle: 180 degrees

💡 What is a rigid shaft coupler with set screws used for in DIY 3D printer and CNC setups? This handy piece locks two shafts together for precise, high-torque transfer with minimal backlash. - Securely couples 6-8 mm shafts in printers and CNCs - Maintains alignment between motor and driven components - Easy to install with M4 set screws - Aluminum alloy design keeps weight down and inertia low

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