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ATORN short, slim BT40 hydraulic expansion chuck (ISO 7388-2) dia. 8 mm

ATORN short, slim BT40 hydraulic expansion chuck (ISO 7388-2) dia. 8 mm

ATORN short, slim BT40 hydraulic expansion chuck (ISO 7388-2) dia. 8 mm
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Item no: 1021654 128 

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Available in 5-7 working days.

Application
For clamping drill bits and milling tools with straight shank.

Execution
  • High clamping forces
  • Axial longitudinal adjustment
  • High-precision centric clamping
  • Excellent damping properties
  • Same tool changes as expansion chucks, no additional devices required
  • Reducer bushings enable various applications
  • With Balluff chip hole
  • All standard shank types can be clamped

Advantage
  • High torque transfer
  • Good surface quality
  • Suitable for high rotation speeds
  • Excellent vibration-damping properties
  • Longer cutting tool service life

Delivery
1x short, slim BT40 or BT50 hydraulic expansion chuck (ISO 7388-2)

Notes
The previous standard JIS B 6339 MAS BT was superseded by ISO 7388-2.

Brand: ATORN
Tool holding device: BT 40
Clamping diameter (d): 8 mm
Projecting length (A): 90 mm
Tapered diameter (d2): 24 mm
Outer diameter (D): 49,5 mm
Length 3 (L1): 30 mm
Clamp in depth (l2): 37 mm
Clearance length to collar (l3): 30 mm
Max. adjustment travel (V): 10 mm
Form: JD/JF
Thread dimension (G): M6
Coolant supply: Internal
Concentricity tolerance: 0,003 mm
Balancing quality: G 2.5 at 25,000 rpm

ATORN-No.: 21040028

EAN no.: 4050293151220

Product Datasheet
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