SK/ER

Universally suitable for different machining applications.
Features and benefits
Features and benefits
DIN 69871 / DIN ISO 7388-1

Runout TIR ≤3 μm

Measured from inner taper to outer taper.

Taper accuracy AT3

Better spindle-to-holder fit and accuracy.

Surface finish max. Ra 0.25

Achieve high clamping force and high transferable torque.

Balancing

100 % balanced to G 2.5 @ 25,000 rpm/<1gmm.

XL colletholders

100 % balanced to G 2.5 @ 5,000 rpm.
Runout TIR ≤10 μm.

Hi-Q balancing system

Ready to accept Hi-Q balancing rings which allow for the offset of the imbalance introduced by the cutting tool up to 80,000 rpm depending on the balancing rings used. All colletholders with the additional type information “H” in the article name are designed for balancing rings.

Hi-Q / ER clamping nut included in delivery

Guarantees highest clamping force and best balancing.

Vibration dampening

Our holders offer good vibration dampening
to sustain a high surface finish and can help prevent chatter.

ID chip hole

In accordance with DIN 69873 for 10 mm diameter.

Expert advice

We recommend tightening the clamping nuts using a torque wrench. The overview of the recommended tightening torque is available for download in the media center.

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