Detailed Product Description
hole opener bit
1. Used in construction and foundation
2. Very large customized diameter
3.Bit sizes can be customize
pilling bit , Multiply cone bit , reamer bit , hole opener bit,rock bit,reamer drills 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.
4.Main Availability, ( Bit sizes and cone types can be customized as you special order)
Size | Bit Type |
In. | mm |
28 | 711.2 | 117,127,517,,537,617,637 |
32 | 812.8 | 117,127,517,,537,617,637 |
38 | 914.4 | 117,127,517,,537,617,637 |