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High-performance hydraulic expansion chuck SK40 (ISO 7388-1) dia. 12 mm A=50 mm

Brand: ATORN

Art.-no. ZR23338012

Manufacturer article no. 21043050

EAN 4050293369854

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Application

For high-precision and centric clamping of milling, drilling and reaming tools – particularly with milling and heavy-duty machining during rough machining.

Execution

  • With axial longitudinal adjustment.
  • Reducing sleeves for flexible application.
  • Very high concentricity (< 3 µm).
  • Coolant pressure up to 80 bar.
  • Heat-resistant up to 100°C.

Advantage

  • Robust version ideal for HPC+HSC machining.
  • Damping properties to increase the service life of the tool and machine spindle.
  • Vibration-damping effect reduces micro-cracks and improves the workpiece surface.
  • All standard shanks can be clamped (dia. tolerance h6).
  • Very high torque transfer (dia. 20 = 650 Nm/dia. 32 = 890 Nm).

Notes

The previous standard DIN 69871-1 was replaced by ISO 7388-1.

Delivery

1x hydraulic expansion chuck SK40 or SK50 (ISO 7388-1).

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Brand

ATORN

Main EAN Code

4050293369854

Manufacturer Part Number

21043050

Tool holding device

SK 40

Clamping diameter (d)

12 mm

Projecting length (A)

50 mm

Form

AD

Outer diameter (D)

42 mm

Clamp in depth (l2)

46 mm

Max. adjustment travel (max. V)

10 mm

Coolant supply

Internal

Suitable for thread (G)

M8 x 1

Width across flats

3 mm

Balancing quality

G 2.5 at 25,000 rpm

Concentricity tolerance

0.003 mm

Gross Weight

1.186 kg

Art.-no.
Cust. Mat. No.

Hazardous Material

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Technical information