20″ HDD roller cone Hole Opener For Hard Rock Trenchless

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Advantages

High-speed rock breaking capability
Reduces the risk of fracturing
Optimizes the cost-effectiveness of horizontal directional drilling processes
Reinforced palm back for improved wear resistance
Proprietary bearing design maximizes cutting efficiency

Specifications
Size	20″
Cutter Type	8 1/2″ tricone bit
IADC	637
Roller Cutter Quantity	5
Thread Connection	NC50
Operating Parameters
Application	Hard formations for high compressive strength, such as sandstone, hard shale, dolomite, hard gypsum, chert, granite, etc.