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ATORN hydraulic expansion chuck SK40 dia. 20 mm A=64.5 mm short/heavy

Brand: ATORN

Art.-no. 23338223

Manufacturer article no. 21040010

EAN 4050293359183


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Application

For high precision centric clamping of drilling, reaming and milling tools.

Execution

  • Concentricity tolerance < 0.003 mm
  • With axial longitudinal adjustment
  • Reducing sleeves for flexible application
  • Coolant pressure up to 80 bar
  • Temperature-resistant up to 50 °C

Advantage

  • Vibration-damping effect reduces micro-cracks and improves workpiece surfaces
  • Damping properties increase the service life of the tool and machine spindle
  • High torque transfer (dia. 20 = 400 Nm/dia. 32 = 730 Nm)
  • All standard shanks can be clamped (dia. tolerance h6)

Notes

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

Delivery

1x SK40 hydraulic expansion chuck (ISO 7388-1)

Product information
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Brand

ATORN

Main EAN Code

4050293359183

Manufacturer Part Number

21040010

Tool holding device

SK 40

Clamping diameter (d)

20 mm

Projecting length (A)

64.5 mm

Form

AD

Outer diameter (D)

51 mm

Clamp in depth (l2)

61 mm

Max. adjustment travel (max. V)

10 mm

Coolant supply

Internal

Suitable for thread (G)

M16 x 1

Balancing quality

G 2.5 at 25,000 rpm

Concentricity tolerance

0.003 mm

Gross Weight

1.370 kg

Art.-no.
Cust. Mat. No.

Hazardous Material

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Technical information