Double casing drilling tools
USD $200 - $300 /Set
Min.Order:1 Set
Changsha Tianhe Drilling Tools And Machinery Co., Ltd.
Application Range
It is suitable for drilling in where rock formation is overburden and need casing tube to support
Outstanding Advantages
Simple structure,simple operation,reliable performance, and long service life.
Structure
1. with inner drill rods.
2. with inner hammer.
Specifications
Main markets
Chile, Brazil, South Africa, Nigerial, Italy, Russia, Canada, Austrialia, Korea, Mongolia, Turkey, and etc.
Welcome to test our samples!
Enclosed photoes
Ring bit
Ring bit
Inner bit
Package
On spot