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ATORN shrink-fit chuck SK40 (ISO 7388-1) dia. 8 mm A=80 mm

Brand: ATORN

DIN: 69871-1

Art.-no. 23424008

Manufacturer article no. 21041004

EAN 4050293357370


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Application

For clamping milling tools and drill bits with straight shank, tolerance h6. Suitable for shrinking on inductive contact and hot air devices.

Execution

  • Guarantees maximum concentricity < 0.003 mm
  • Heat-resistant and high-temperature tool steel 1,600-1,800 N/mm²
  • Hardness 52 + 2 HRC
  • Maximum coolant pressure 80 bar
  • Adjustment travel 10 mm, can be adjusted on both sides
  • Shrink grip and shrink release of carbide and HSS tools
  • 4 additional drill holes for fine balancing
  • With Balluff chip hole

Advantage

  • High positioning and repeat accuracy
  • Shrink-fit chuck ideal for high rotation speeds
  • Slim design, narrow interfering contour
  • Very high torque transfer
  • Extremely cost-effective

Notes

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

Delivery

1x SK40 shrink-fit chuck (ISO 7388-1) shape AD/B

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Brand

ATORN

Tool holding device

SK 40

Clamping diameter (d)

8 mm

Projecting length (A)

80 mm

Tapered diameter (d2)

21 mm

Outer diameter (D)

27 mm

Clamp in depth (min. L2)

36 mm

Form

AD/AF

Concentricity tolerance

0.003 mm

Suitable for thread (G)

M6

Coolant supply

Internal

Balancing quality

G 2.5 at 25,000 rpm

DIN

69871-1

Art.-no.
Cust. Mat. No.

Hazardous Material

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Technical information