ETM: Precision and Reliability in Spring Collets for Mechanical Processing
ETM is a brand specialising in the production of high-precision spring collets, ideal for clamping tools during milling, drilling and turning operations. Thanks to a wide range of models and high build quality, ETM collets are a reliable choice for mechanical workshops and manufacturing companies that require precision and stability in their machining processes.
Why choose ETM spring collets?
High precision and stability – Designed to guarantee uniform clamping and minimise vibrations, improving the quality of the machining.
Quality materials – Made of high-strength steel, they ensure long life and excellent wear resistance.
Complete range of models – Available in different series to adapt to any type of machining and tool.
Universal compatibility – Suitable for use with the main clamping systems on the market.
Easy to use – Designed to guarantee quick and safe tool changes, reducing machine downtime.
ETM Product Range
1. ER Collets
ER collets are among the most widely used solutions in machining, thanks to their versatility and precision.
Available in models ER11, ER16, ER20, ER25, ER32 and ER40.
Clamping range with a tolerance of ±0.5 mm for optimal adaptation to tools.
Suitable for milling, drilling and threading in various materials.
2. DIN 6499 Collet Chucks
Collet chucks that comply with the DIN 6499 standard guarantee safe clamping of cylindrical tools and are compatible with the most common collet chuck holders.
High concentricity, reducing the risk of vibrations and improving the surface finish of the piece.
Wide range of diameters, to adapt to various operational needs.
Usable on CNC machines and high-speed machining centres.
3. Shrink-Fit Collets
ETM shrink-fit collets offer an extremely rigid clamping system, ideal for high-precision applications.
Maximum stability thanks to uniform contact with the tool.
Perfect concentricity, reducing tool wear and increasing operating life.
Ideal for high-speed machining and for sectors requiring extreme precision.
4. Elastic Collets with Weldon System
Collets with Weldon connection are designed for the secure clamping of cylindrical tools, ideal for milling and heavy machining.
Reinforced locking mechanism, which ensures a firm grip even under heavy stress.
Available for different diameters, compatible with standard chucks.
Ideal for heavy milling on steel and special alloys.
5. Tapping Collets
Flexible tapping collets allow threads to be cut with high precision and repeatability.
Systems with axial compensation to guarantee precise threads and reduce the risk of tap breakage.
Available for various diameters and metric or imperial threads.
Compatible with standard tap holders and CNC machines.
Industrial Applications
ETM spring collets are used in various sectors, including:
Mechanical Industry – For high precision milling, drilling and turning operations.
Mould Production – Ensures perfect clamping for high quality machining on special steels.
Aerospace Sector – High stability and precision for machining advanced materials.
Automotive Industry – Used in the production processes of mechanical components with tight tolerances.
Conclusion
ETM spring collets are the ideal choice for those looking for reliability, precision and compatibility with the best machine tools on the market. Thanks to a complete range of solutions for every production need, ETM offers innovative clamping tools to guarantee optimal results in mechanical machining.
