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ATORN shrink-fit chuck SK40 (ISO 7388-1) dia. 20 mm A=80 mm

ATORN shrink-fit chuck SK40 (ISO 7388-1) dia. 20 mm A=80 mm

ATORN shrink-fit chuck SK40 (ISO 7388-1) dia. 20 mm A=80 mm
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Item no: 1021614 111 

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Still in stock: 4

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

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

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

Brand: ATORN
Tool holding device: SK 40
Clamping diameter (d): 20 mm
Projecting length (A): 80 mm
Tapered diameter (d2): 33 mm
Outer diameter (D): 42 mm
Clamp in depth (min. L2): 52 mm
Form: AD/AF
Concentricity tolerance: 0,003 mm
Suitable for thread (G): M16 x 1
Coolant supply: Internal
Balancing quality: G 2.5 at 25,000 rpm
DIN: 69871-1

ATORN-No.: 21041010

EAN no.: 4050293357431

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