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...
Road Milling Picks: The Ultimate Solution for Efficient Pavement Removal
The road construction industry has just been given a major boost with the arrival of a new, innovative tool – the road milli...
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...
The Top Hammer Drilling Bits market report provides a unique, first-time market and competitive analysis of the size, segmentation, competition, trends and outlook in the manufacture and supply of ...
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...