Description
YS ER11 AA Collet Set & ER11 Chuck Spindle Motor Shaft Extension Rod – engineered for precision CNC lathe applications, this high‑performance kit delivers unmatched accuracy with a tolerance of just 0.005 mm to 0.008 mm. Designed to enhance spindle stability, extend motor shaft life, and simplify tool changes, it’s the ultimate upgrade for any precision machining setup.
Key Highlights
- Ultra‑precise tolerance: 0.005 mm – 0.008 mm for flawless machining
- All‑in‑one kit: includes ER11 AA collet set, ER11 chuck, and spindle motor shaft extension rod
- Improved spindle rigidity and reduced vibration for smoother cuts
- Easy installation – drop‑in replacement for standard ER11 spindles
- Compatible with a wide range of CNC lathes and industrial machines
- Durable construction: high‑grade steel and hardened components
- Optimized for high‑speed, high‑accuracy operations
Technical Specifications
- Collet size: ER11 (1.1 mm) – 1.3 mm
- Extension rod length: 100 mm – 150 mm (customizable)
- Material: 420 Cr stainless steel with surface hardening
- Tolerance: ±0.005 mm to ±0.008 mm
- Weight: 0.75 kg (approx.)
- Operating temperature: –20 °C to +120 °C
- Warranty: 12 months parts and labor
Why Choose YS ER11 for Your CNC Lathe
With the YS ER11 AA Collet Set and ER11 Chuck Spindle Motor Shaft Extension Rod, you gain:
- Consistent, repeatable machining results
- Reduced tool wear and extended spindle life
- Enhanced safety thanks to secure collet locking
- Versatility across multiple CNC models and industrial applications
- Cost‑effective performance that saves time and money in the long run
Upgrade your CNC lathe today with the YS ER11 precision kit and experience the difference in accuracy, reliability, and productivity. Order now and take your machining to the next level.






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