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 ...
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...
Self Drilling Rock Bolt is a type of fastener used in civil engineering projects to provide reinforcement and support for rock formations or unstable surfaces. Unlike traditional bolts that require...
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In 2018, Atlas Copco will grow into two...
Top hammer drilling tools are a crucial part of modern drilling operations. From drifter rods to button bits, each component plays a specific role in the drilling process. In this article, we’ll ta...
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...