Coupling - Factory, Suppliers, Manufacturers from China

Coupling, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

Extension rods

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 ...
Rock tapered drill rod application and development status

Tapered drill rods have become one of the essential tools in the mining and construction industries. These rods are primarily used to hold and transfer energy from the rock drill to the drill bit, ...
Diamond core drilling

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...
Reformation of Threaded Products Workshop

We carried out a complete reformation for Threaded Products Workshop from Apr.5th to May 15th. In the new workshop, we installed double layers of thermal insulation, double glazed windows and new d...
Precautions for the use of thread button bits

For proper use of the button bits, guarantee the normal wear of scrapped the button bit, must pay attention to the following: 1 .according to the rock conditions (hardness, corrosion resistance) d...
Advancements in Tunneling and Underground Excavation by Drill & Blast

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...

Coupling sleeves