1420629 SCHUNK Hydraulic expansion tool holder TENDO EC, MAS BT40 DIN ISO 7388-2 JD/JF shank with clamping diameter 12mm and length 130mm
The hydraulic tool holder TENDO E compact delivers superior performance in milling, drilling, boring, threading and HPC applications, with up to 300% extended tool life. Its compact, rigid ISO 7388-compliant design offers excellent value, achieving <0.005mm runout at 2.5xD and G2.5 balancing at 25,000 rpm. Features h6 shank, reduction sleeves, optional chip flute, and ISO 7388 JD/JF coolant channels (JF ports sealed for transport). Includes axial adjustment screw for automatic tool changes. Activation key not supplied.

The SCHUNK TENDO EC hydraulic expansion tool holder represents an advanced and highly efficient solution for tool clamping in machining applications. This model features a MAS BT40 shank that complies with DIN ISO 7388-2 standards, designed specifically to deliver maximum precision and reduced wear during milling, drilling, boring, threading, and high-productivity (HPC) operations.
With a clamping diameter of 12 mm and a length of 130 mm, the TENDO EC ensures versatility across various industrial applications. The hydraulic technology employed in this tool holder allows for the generation of high and uniform clamping forces, significantly minimizing vibrations and enhancing stability during the machining processes. This results in superior surface finish quality and extends the tool life, with performance improvements that can reach up to 300% compared to other clamping systems.
The compact version of the TENDO EC is particularly valued for its rigid structure, aligned with ISO 7388 specifications, providing an excellent balance of quality and cost-effectiveness. The reduced tolerances and robust construction ensure that the tool holder maintains high precision standards even under load, making it an ideal choice for demanding machining tasks.
Another important aspect of the TENDO EC is its ease of use, allowing quick and convenient tool changes. This feature, combined with its durable design and efficient clamping mechanism, makes it a preferred choice for manufacturers aiming to improve productivity and quality in their machining processes.
Key Specifications:
| Specification | Value |
|---|---|
| Clamping Diameter | 12 mm |
| Length | 130 mm |
| Shank Type | MAS BT40 |
| Compliance Standard | DIN ISO 7388-2 |
| Performance Improvement | Up to 300% |
In summary, the SCHUNK TENDO EC hydraulic expansion tool holder is designed to provide users with enhanced performance, precision, and durability, making it a top choice for high-demand machining environments.
- Brand:
- SCHUNK
- Typology:
- Hydraulic closure
- Length "L":
- 130mm
- Size:
- 12mm
- Shank Type:
- BT40
- Diameter "d2":
- 32mm
- Diameter "D":
- 42mm
- Length "L1":
- 32mm
- Dimension "F":
- M8x1
