Extension rods are made by hollow drill steels; there are two shapes of extension rods, round type and hexagonal type. This hollow hole are usually named flushing hole, used for transmitting water ...
We take customization requests upon provided samples or drawings.such as Step Shank Chisels,Flat Teeth,HDD Weld-On Teeth,Round Shank Bits,Road Milling Tools,Road Milling Picks,and etc.
We produce f...
Diamond core drilling is also exploration drilling method, which is the most conventional one, and has widely utilized in geological survey, mining exploration and bedrock stratum investigation and...
With the advanced technology from both China and abroad, the production line of the picks is a continuous chain step furnace, composed of a welding furnace, a quenching furnace and a tempering furn...
Introducing the Pneumatic Pick – The Latest Innovation in Heavy-Duty Tools!
We can produce TCA7,G10,TPB40,TPB50,TPB90,B67C,RB777,SL80,B47,B37,SK10,B87C,TCD20,TPB60 etc.
The Pneumatic Pick is ...
Here in the United States we used to refer to tunneling by drill-and-blast as “conventional” tunneling, which I guess leaves tunneling by TBM or other mechanized means to be referred to as “Unconve...