1324762 SCHUNK Dual contact hydraulic expansion toolholder TENDO EC, MAS BT40 shank with clamping diameter 3/4" and length 72.5mm
The hydraulic tool holder TENDO E compact delivers superior performance in milling, drilling, boring, threading and HPC applications, with up to 300% longer tool life. Its compact, rigid ISO 7388-compliant design offers excellent value, ensuring high precision (runout <0.003mm at 2.5xD) and G2.5 balancing at 25,000 rpm. Features h6 shank, reduction sleeve compatibility, optional chip flute and ISO 7388 JD/JF coolant channels (JF ports sealed for transport). The contact surface enhances DIN ISO 7388-2 JD/JF with improved flange contact in the Dual Contact version. Includes axial adjustment screw for automatic changes. Activation key not included.

The TENDO E compact hydraulic expansion toolholder from SCHUNK represents an advanced clamping solution specifically crafted for a variety of machining applications, including milling, drilling, boring, threading, and high productivity (HPC) operations. This toolholder is designed to meet the demands of modern industrial environments by providing exceptional performance and efficiency.
With a compact length of 72.5 mm and a MAS BT40 shank, the TENDO E compact features a clamping diameter of 3/4". Its design is compliant with ISO 7388 standards, ensuring a high level of rigidity and precision. The hydraulic clamping technology integrated into the toolholder facilitates excellent positioning accuracy and minimizes run-out, which are critical factors for achieving high-quality machining results and reducing tool wear.
One of the standout features of the TENDO E compact is its ability to extend tool life by up to 300%. In optimal working conditions, this allows cutting tools to last significantly longer, translating into reduced replacement costs and enhanced operational efficiency. This is particularly advantageous for businesses prioritizing both reduced processing times and high-quality final products.
Furthermore, the TENDO E compact is easy to use, promoting a straightforward setup process for operators. This user-friendliness, coupled with the toolholder's superior performance characteristics, makes it an ideal choice for enterprises focused on maximizing productivity and maintaining high standards in their machining tasks.
| Feature | Specification |
| Length | 72.5 mm |
| Shank Type | MAS BT40 |
| Clamping Diameter | 3/4" |
| Tool Life Extension | Up to 300% |
| Design Compliance | ISO 7388 |
| Applications | Milling, Drilling, Boring, Threading, HPC |
- Brand:
- SCHUNK
- Typology:
- Hydraulic closure
- Length "L":
- 72.5mm
- Size:
- 3/4"
- Shank Type:
- BT40
- Diameter "d2":
- 38mm
- Diameter "D":
- 49.25mm
- Length "L1":
- 45.5mm
- Dimension "F":
- M8x1
