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Holemaking - Boring - Radial Type Fine Boring Heads: Type A780 & A790

Supplier: Seco Tools Australia

The radial type fine boring heads consist of two ranges: A780, a range of 9 pre-balanced fine boring heads covering a diameter range of 15 - 205 mm (inches: .59 to .72).

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A790, a range of 5 balanceable fine boring heads designed for high speed machining in the 30 - 115 diameter range.

The main benefits of the A780 and A790 radial type heads are:

Precision

  • Micrometric adjustment within 2.5 ┬Ám on the diameter
  • Micrometric diameter setting protected by the insert holder and head contact
  • Hole diameter precision IT5 is possible to achieve

Productivity

  • Cutting speeds up to 1500 m/min with balanceable heads
  • Coolant through the head towards the insert

User friendly

  • A790 balancing rings with direct setting - no balancing charts needed
  • Insert holders for chamfering and back boring

Cost effective

  • For low to average machine speeds, pre-balanced heads are well suited
  • All heads use only three insert holder sizes

Long tool life

  • All A780 and A790 type heads are dust proof and greased for life - no re-greasing maintenance is required.
  • Flexibility
  • Large range of insert grades for all materials

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