BT30 Reducing Arbor

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BT30 is a standard tool holder taper used in CNC machines, especially medium-sized machining centers and lathes.

  • A reducing arbor (spindle adapter) allows smaller or different-type tool holders to fit onto a BT30 spindle.
  • Common uses include:
  • Adapting different taper types to a BT30 spindle
  • Using smaller diameter milling, drilling, or turning tools
  • Increasing machining flexibility and reducing tool costs
    Advantages:
  • Enables a wider range of tools on an existing BT30 spindle
  • Easy mounting and removal
  • High precision and secure clamping

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