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Shrink-fit chuck SK40 (ISO 7388-1) dia. 20 mm A=120 mm

Brand: ATORN

DIN: 69871-1

Art.-no. ZR23424570

Manufacturer article no. 21044736

EAN 4050293370096

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Application

For clamping cutters and drills with straight shanks in h6 tolerance. Suitable for shrinking onto inductive contact and hot air devices.

Execution

  • Guaranteed maximum concentricity 0.003 mm.
  • Shrink fit and shrink release of carbide and HSS tools.
  • Hardness 52 + 2 HRc.
  • Maximum coolant pressure 80 bar.
  • Adjustment travel 10 mm, can be adjusted on both sides.
  • Four additional drill holes for fine balancing.
  • With Balluff chip hole.

Advantage

  • High transmittable torques.
  • Heat-resistant and high-temperature tool steel 1,600-1,800 N/mm².
  • High positioning and repeat accuracy.
  • Ideal for high rotation speeds.

Notes

The previous standard DIN 69871-1 was superseded by ISO 7388-1.

Delivery

1x shrink-fit chuck SK40 (ISO 7388-1).

Product information
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Brand

ATORN

Main EAN Code

4050293370096

Manufacturer Part Number

21044736

Tool holding device

SK 40

Clamping diameter (d)

20 mm

Projecting length (A)

120 mm

Tapered diameter (d2)

26 mm

Outer diameter (D)

36 mm

Max. clamp in depth (max. L2)

52 mm

Form

AD/AF

Concentricity tolerance

0.003 mm

Max. adjustment travel (max. V)

10 mm

Suitable for thread (G)

M16 x 1

Coolant supply

Internal

Balancing quality

G 2.5 at 25,000 rpm

DIN

69871-1

Gross Weight

1.500 kg

Art.-no.
Cust. Mat. No.

Hazardous Material

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Technical information