タイトルまたは説明

*8"**8" Large diameter new  Hole opener bit

As the professional supplier of rock bits in China,we can supply all kinds of rock bits,such as PDC bits,TCI bits,rock bits,tricone bits,single cone bits,hole opener,steel tooth bits,insert tooth bits,drag bits,etc.

Description

Drillstar hole openers are used worldwide by major drilling contractors.

Their robustness and durability ensure safe operations while minimizing maintenance and rig costs. They are manufactured with the number of cutters adapted to the work required.

All our hole openers are field maintainable, with easy assembly and disassembly. They are all equipped with 3 or 4 cutters, as well as mud nozzles carefully positionned to clean the cutters and the hole simultaneously.

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)