Four Pack Flexible Shaft Couplings 4mm to 6mm Bore Aluminum Alloy Joint Connectors For 3D Printers CNC Machines Stepper Motors Encoders And DIY Projects D12 X L18mm

Four Pack Aluminum Shaft Couplers for 4-6mm Bore
✔️ 4 pcs, 12x18mm (D x L), bore 4-6mm, aluminum alloy, silver

Flexible shaft couplings connect rotating shafts with a 4-6 mm bore range, crafted from lightweight aluminum alloy for 3D printers, CNC machines, encoders, and DIY projects. The helical cut design accommodates angular, parallel, and axial misalignment, dampening vibration to protect motors and bearings.

✅ 4 pcs per pack
✅ 12x18mm (D x L) size
✅ Bore range 4-6 mm
✅ Aluminum alloy construction, silver finish
✅ Helical cut design to absorb misalignment and reduce stress

💡 What is a handy use for shaft couplings in small machines?

These handy couplers help join drive shafts in compact systems with forgiving tolerance, smoothing operation and extending component life.

• Connects motors to drive shafts, encoders, and guide rails
• Compensates angular, parallel, and axial misalignment
• Protects bearings and gear trains by dampening shocks