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 ...
Down the hole (DTH) drilling bits are a cutting-edge innovation revolutionizing drilling operations in the mining and construction industries. These versatile, high-performance bits, also known as ...
Pangolin Project was finished on Feb.28th, 2014. After almost 10 months of adjustment, this tapered rod production line is the best in China.
1.Continuous operation of 7 operators in forging proces...
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 ...
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In 2018, Atlas Copco will grow into two...
In order to get out of the school, better social contact, understand social, training exercise their own talent, set up the service consciousness of the society, at the same time, better the textbo...