pilling bit , Multiply cone bit , reamer bit , hole opener bit:

1. Cutting Structure
The reamer mainly consists of four or more cones. Cutting Structure with premium tungsten carbide hardfacing or

premium tungsten carbide insert of formulas and new techniques is utilized, and increases wear-resistance

capability of reamer. The pilot is three cone bit ( tricone bit ) .

2. Seal and Lubrication
High performance HNBR O-ring for bearing seal and advanced grease for lubrication.

3. Product Application
It is suitable for the large size well, mining and infrastructure applications.

Payment: T/ T , LC
Delivery: within 3-7 days
Origin: China

Packaging: in wooden box
Samples: Charge