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 ...
KAT drilling tools announces the launch of the latest rock drill tools, DriftMaster™ line of drill rods and bits. DriftMaster drill rods and bits have a unique thread profile that provides extra du...
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In 2018, Atlas Copco will grow into two...
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...
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...
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...