8 1/2inch IADC617 Factory made water well single roller cone bit

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 construcation
Features	Enhanced wear resistant gauge protection,increase the working life. Hih temperature resistant rubber sealed bearing. Shirt-tail protected by tungsten carbide 14mm chisel insert,strong tungsten carbide body,higher wear resistance,dill fast. Applicable rock hardness: ≥100Mpa

Main structure features:

Optimal designs for various applicable formations, with different teeth shape,teeth height,and teeth placement,provide better drilling pefromance.

Individualized optimized design for bearing system guarantees and excellent performace of bearing capacity and a long working life.

Widely used in rotary drilling and HDD drilling markets,with high drilling efficiency.

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