BT tool holder BT/ER

ERfor machiningbalanced

Universally suitable for different machining applications. • 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 Toolholders • 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.