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...
Introducing the Shank Adapter – The Revolutionary New Tool in Drilling!
The Shank Adapter is a powerful new tool that is transforming the world of drilling. This innovative tool is des...
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 ...
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In 2018, Atlas Copco will grow into two...
Tapered drill rod (taper steel rod, taper drill steel), which provides a hexagonal chuck section to provide leverage for the rotation chuck bushing. It usually has a forged collar to maintain
the ...