DIY builders and CNC enthusiasts, these BQLZR shaft couplings are essential for connecting motors to lead screws or other shafts! They're 6mm to 6mm aluminum couplings that provide rigid, precise connection between components. The blue anodized aluminum looks professional and provides corrosion resistance. Each coupling measures 14mm in diameter by 25mm long, with M4 set screws that secure everything tightly. The package includes two couplings, eight screws, and a hex spanner - everything you need for installation. These are perfect for 3D printers, CNC routers, robotics projects, or any application where you need to connect a stepper or servo motor to a drive shaft. The one-piece clamp design makes installation straightforward and maintains good alignment. The aluminum construction handles heat well and provides the stiffness needed for precise motion control. Whether you're building a custom machine, repairing equipment, or working on automation projects, these couplings deliver reliable performance. The 6mm size works with many common motors and shafts, making them versatile for various applications. For under $10 for a two-pack, you're getting quality components that won't slip or flex under load. If you work with small machinery or DIY automation, these are one of those basic but crucial parts that every builder should have in their toolkit!
Free 30-day returns 
Free 30-day returns
