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Yichuan 8 1/2" single roller cone cutter

Yichuan 8 1/2
  • Yichuan 8 1/2
  • Yichuan 8 1/2
Produced by: Hebei Yichuan Drilling Equipment Manufacturing Co., Ltd.

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Bit Size

8 1/2"(215.9MM)

Model

617

Application

Suitable for roller bits core barrels for pile foundation construction

Features
  1. Enhanced wear resistant gauge protection,increase the working life.
  2. High temperature resistant rubber sealed bearing.
  3. Increased wheel body,full coverage of insert,longer working life. 14mm conical insert，higher wear resistance.
  4. Applicable rock hardness: ≥100Mpa


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