Flexible Shaft Coupling One Quarter Inch By Three Eighths Inch D25 L30 Aluminum Rigid Coupler For Precision CNC Milling Drilling Gear And Hobby Machining Built To Last

Precision aluminum shaft coupling for CNC 1/4 x 3/8 in L30
✔️ D25 outer diameter, L30 length, 6.35 x 9.5 mm hole, 1 piece

This rigid aluminum coupler connects drive shafts in CNC milling, drilling, gear drives, and hobby machines. With a D25 outer diameter and L30 length, it’s designed for compact, precise connections in tight spaces.

✅ Outside diameter: 25 mm (0.98 in), length: 30 mm (1.18 in)
✅ Hole size: 6.35 x 9.5 mm (1/4 x 3/8 in)
✅ Material: Aluminum; color: Silver
✅ Pack size: 1 piece
✅ Suitable for CNC milling, drilling, gear drives, and hobby setups

💡 What is a shaft coupling used for in CNC milling and machining projects? This handy overview explains its role in drive trains.

- Transfers torque between shafts while tolerating minor misalignment
- Keeps shafts aligned, reducing wear and vibration in precision setups
- Ideal for compact, rigid connections in hobby and professional machines
- Works with 1/4 x 3/8 inch shafts and 25 mm dia x 30 mm length