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Yichuan 8 1 2 inch iadc617 single roller cones welded tric
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
Added (m.d.y):
08.09.2021 Offer viewed:
145 (hits)
Member Information:
Contact person:
Yichuan6356
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