Upgrade your machining precision with the 1‑Set ER11‑ER40 Spring Collet Set. Engineered from high‑grade AA alloy, these collets deliver a remarkable 0.005 mm repeatability, making them the perfect match for CNC milling, engraving machines, and lathes that demand ultra‑fine control.
Product Overview
This comprehensive set includes six spring collets—ER11, ER16, ER20, ER25, ER32, and ER40—each designed to fit the corresponding ER‑type tool holder. Whether you’re machining intricate aerospace components or detailed jewelry, the collets provide a secure, vibration‑free grip that translates into cleaner cuts and longer tool life.
Key Highlights
- High‑precision AA alloy construction for exceptional rigidity
- Ultra‑tight tolerance of ±0.005 mm ensures repeatable results
- Six sizes in one set (ER11‑ER40) to cover a wide range of tools
- Spring‑loaded design delivers consistent clamping force without manual adjustment
- Corrosion‑resistant finish for extended service life
- Compatible with CNC mills, engraving machines, and precision lathes
Compatibility & Applications
Designed for industry‑standard ER tool holders, this set works seamlessly with:
- CNC milling machines (high‑speed, high‑precision)
- Engraving and micro‑milling equipment
- Precision lathes and turning centers
- Prototyping rigs and small‑batch production lines
Technical Specifications
- Material: AA (Aluminium‑Alloy) with anti‑corrosion coating
- Tolerance: ±0.005 mm
- Collet Sizes: ER11, ER16, ER20, ER25, ER32, ER40
- Clamp Force: Spring‑loaded, self‑adjusting
- Operating Temperature: -20 °C to +120 °C
- Weight: Approx. 150 g (full set)
Benefits of Choosing This Set
- Maximum Accuracy: Reduce run‑out and tool deflection for flawless finishes.
- Time Savings: Quick‑change design eliminates the need for manual torque adjustments.
- Cost Efficiency: One set covers multiple tool sizes, reducing inventory and replacement costs.
- Durability: High‑grade alloy resists wear, extending the life of both collet and holder.
Why It’s the Ideal Choice for Professionals
When precision matters, every micron counts. Our ER spring collet set provides the stability and repeatability that professional machinists trust, helping you achieve tighter tolerances, smoother surface finishes, and higher overall productivity.
Price: $ 20.97

