Schunk Hydraulic Expansion Toolholder Suited for Rough Machining

Originally titled 'Hydraulic Expansion Toolholder Suited for Rough Machining'

The Schunk Tendo-ES is an extremely short hydraulic expansion toolholder that enables the tool to be clamped directly in the mounting taper so that the tool shank is supported via the spindle.

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The Schunk Tendo-ES is an extremely short hydraulic expansion toolholder that enables the tool to be clamped directly in the mounting taper so that the tool shank is supported via the spindle. The result is high holding forces for transferable high torques and additional space in the machining area.

The 26.0-mm toolholder offers a run-out accuracy of less than 0.003 mm, and tools can be changed in seconds with an Allen key. It is well-suited for powerful and  rough machining, HPC/HSC, drilling, reaming, tapping, thread milling, and thread forming. Benefits include brilliant surfaces, workpieces with dimensional accuracy and long tool life. The use of intermediate sleeves ensures complete flexibility.

The Tendo-ES is available for the SK 40 and CAT 40 interfaces. Its clamping diameter is 20 mm (¾"), and standard Tendo sleeves can be used to clamp smaller tool shank diameters with a balancing grade of G 2.5 at 25,000 rpm.