Two Pack 4mm To 5mm Aluminum Shaft Coupling Flexible Coupler Beam 25mm Long 19mm OD For 3D Printers And CNC Machines Encoders Motors Shaft Silver High Strength Durable For DIY Gearheads

2-Pack Aluminum Shaft Couplers with 4-5mm Bore, 25mm
✔️ Bore 4-5mm, 25mm long, 19mm OD, 2-Pcs with hex wrench

These compact aluminum shaft couplers connect small-diameter shafts in motion systems, such as motors, encoders, 3D printers, and DIY CNC rigs. Built from high-strength aluminum alloy, they offer a lightweight, durable link with a spring-loaded design to cushion minor misalignment.

✅ Connection Bore Diameter: 4mm to 5mm (4-5 mm)
✅ Total Length: 25mm (0.98")
✅ Outside Diameter: 19mm (0.75")
✅ Material: Aluminum Alloy, Color: Silver
✅ Pack Content: 2 Pcs x Rigid Shaft Coupler; 1 Pcs x hex wrench

💡 What is a common use for a compact aluminum shaft coupling in DIY CNC and 3D printer setups?

• handy for aligning motor shafts with driven gears in DIY CNC and 3D printers
• absorbs small angular misalignment and cushions impacts to reduce wear in lightweight drive systems
• durable aluminum alloy construction keeps up with daily hobby projects