Rigid Shaft Coupler 8mm To 8mm Bore With Steel Connector And M4 Set Screws For 3D Printers Stepper Motors And CNC Machines Built For Top Notch Precision And Alignment
✔️ Length 22mm, Ø14mm, 8mm bore, M4 screws included; solid #45 steel
This rigid shaft coupler is a precision drivetrain link that safely connects two 8mm shafts with zero backlash, delivering accurate torque transfer. Ideal for CNC machines, 3D printers, laser engravers, and robotics projects where exact alignment matters.
✅ Inside Diameter: 8mm to 8mm bore
✅ Length: 22mm
✅ Outside Diameter: 14mm
✅ Thread: M4
✅ Material: #45 steel
✅ Pack: 2 pieces
💡 What is a rigid shaft coupler used for in precision motor drives? This handy component connects two shafts to ensure accurate torque transfer in tight assemblies. - Zero-backlash torque transmission for high-precision equipment - Made from #45 steel for strength and rust resistance - Easy installation with M4 set screws and L-wrench - Suitable for 3D printers, CNCs, laser engravers