Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.

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1. the eccentric and concentric drilling tools followed by casing

FEATURES
1. In the case of that the hole drilling can't be completed normally, the casing can be used for protection hole wall to complete drilling work.
2. Reaming and closure of eccentric wheel is very flexible.
3. Eccentric reaming ...

2. down the hole hammer

Our down-the-hole (DTH) hammer is a new type of valveless hammer driven by compressed air. It is the ideal rock drilling tool with advantages of large impact energy, high penetration rate, long service life, good efficiency of drilling cuttings ...

3. bit

Feature
1. diameter from 45~135
2. with rational structure and wide application range
3. In the course of drilling, bit body and alloy button can achieve uniform wear, thus service life of bits will be increased.
Usage
These bits can mostly ...

4. shank rod

High-quality and high-strength alloy structure steel is selected to produce all sorts of shank rod.
Adoption of surface hardening heat treatment technique can prevent the impacted end of shank rod from being out of shape.
The company can produce ...