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Our ER40 Coolant Sealed High Precision Collets are engineered to provide superior clamping force and exceptional precision for machining with through-coolant applications. The integrated metal or rubber seal ensures that high-pressure coolant is directed precisely to the cutting edge, which is essential for efficient chip evacuation, reduced heat, and extended tool life. As a testament to Turkish manufacturing expertise, each collet guarantees high concentricity and a runout typically less than 5 microns.
| Collet Size | Clamping Range (mm) | Clamping Range (in) |
| ER11 | 3 – 7 | 0.118 – 0.276 |
| ER16 | 3 – 10 | 0.118 – 0.394 |
| ER20 | 3 – 13 | 0.118 – 0.512 |
| ER25 | 3 – 16 | 0.118 – 0.630 |
| ER32 | 3 – 20 | 0.118 – 0.787 |
| ER40 | 3 – 26 | 0.118 – 1.024 |
| ER50 | 12 – 40 | 0.472 – 1.575 |
We understand that in high-precision machining, every detail matters. Our ER40 Coolant Sealed High Precision Collets are designed to provide maximum adaptability and performance.
This combination of precision and functionality helps you optimize your machining processes and gain a competitive edge.
Choosing our high-precision, coolant-sealed collets is a strategic decision for your business.
Experience the perfect combination of precision, value, and reliability. Our Made in Turkey ER40 Coolant Sealed High Precision Collets are the definitive choice for professionals seeking excellence in their machining operations.
About Avastec Products;
You can contact us for a price quote and delivery date.







Welcome to Avastec, your specialized provider of high-end CNC Tool Holders and High Precision Collets. We deliver advanced solutions for Swiss-type Machine Tools, offering an extensive range of.Â