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ATORN SK50 shrink-fit chuck (ISO 7388-1) dia. 20 mm A=80 mm

ATORN SK50 shrink-fit chuck (ISO 7388-1) dia. 20 mm A=80 mm

ATORN SK50 shrink-fit chuck (ISO 7388-1) dia. 20 mm A=80 mm
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Item no: 1021600 505 

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Available in 5-7 working days.

Application
For clamping cutters and drills with straight shanks in h6 tolerance. Suitable for heavy-duty machining.

Execution
  • Guarantees maximum concentricity of 0.003 mm
  • Shrink grip 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
  • 4 additional drill holes for fine balancing
  • With Balluff chip hole
  • Geometry significantly improves damping behaviour

Advantage
  • High transmittable torques
  • High chip removal rate, perfect for HSC machining
  • Protects the spindle and machine
  • Ideal for high rotation speeds
  • Improved surface quality

Delivery
1x SK50 shrink-fit chuck (ISO 7388-1)

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The previous standard DIN 69871-1 was superseded by ISO 7388-1.

Brand: ATORN
Tool holding device: SK 50
Clamping diameter (d): 20 mm
Projecting length (A): 80 mm
Tapered diameter (d2): 33 mm
Outer diameter (D): 40,6 mm
Max. clamp in depth (max. L2): 52 mm
Form: AD/AF
Concentricity tolerance: 0,003 mm
Max. adjustment travel (max. V): 10 mm
Width across flats: 5 mm
Suitable for thread (G): M16 x 1
Coolant supply: KKB
Balancing quality: G 2.5 at 25,000 rpm
DIN: 69871-1

ATORN-No.: 21044669

EAN no.: 4050293407587

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