Rigid Shaft Coupler 8mm To 8mm Aluminum Alloy, 6 Pack, High Precision Connector For Motors And 3D Printers, DIY Projects, Blue, Rock Solid Build, Tight Tolerances, Smooth Shaft Alignment, Easy To Install

Six-Pack 8mm-to-8mm Aluminum Rigid Shaft Couplers ✔️ 6 pcs, 25 mm length, 14 mm OD, 8 mm bore, M4 screws + L wrench

These aluminum rigid shaft couplers connect motors to driven shafts, like lead screws or ball screws, on 3D printers, CNC machines, and robotics projects. They deliver precise torque transfer with zero backlash for smooth, accurate motion.

✅ Inside diameter: 8mm to 8mm bore
✅ Length: 25mm
✅ Outside diameter: 14mm
✅ Material: aluminum alloy, blue color
✅ Pack size: 6 pieces
✅ Features: zero-backlash, high-precision alignment
✅ Includes: 24 x M4 set screws and L-wrench

💡 What is a shaft coupling used for in precision drive systems? These handy devices join two shafts and transfer torque with minimal backlash, keeping alignment tight during operation.

• Handy for linking motors to lead screws, ball screws, or other driven shafts
• Helps reduce misalignment under load and improves motion accuracy
• Made from durable aluminum alloy for rust resistance and long life