Quarter Inch To Quarter Inch Bore Rigid Coupling With Set Screw Aluminum Alloy Shaft Coupler Connector Blue 2 Pack For 3D Printers CNC Machines Motors DIY Robots And Stepper Systems
UPC: 00193019744369
✔️ 1/4 in to 1/4 in bore, 25 mm long (0.98 in), 14 mm OD (0.55 in), aluminum alloy
These rigid shaft couplers connect two 1/4 inch shafts in a compact aluminum housing. They're ideal for linear slide unit setups in 3D printers, CNC machines, robotics, and motorized gear systems, delivering precise, low-friction torque transfer.
✅ Connection diameter: 1/4 in to 1/4 in (6.35 mm to 6.35 mm)
✅ Total length: 25 mm (0.98 in); outside diameter: 14 mm (0.55 in)
✅ Material: aluminum alloy; color: blue
✅ Set screw clamp design; 8 M4 screws included
✅ Through angle: 180 degrees; single-piece construction
✅ Pack size: 2 pieces per set
💡 What is a rigid shaft coupling used for in 3D printers and CNC machines? This handy part keeps two shafts aligned and transmits torque cleanly. - Maintains precise shaft alignment in drive systems - Transfers torque with minimal backlash in motors and gearboxes - Handy for linking stepper motors to belts, gears, or sprockets in DIY projects - Common in 3D printers, CNC mills, and robotics for reliable motion