With the advanced technology from both China and abroad, the production line of the picks is a continuous chain step furnace, composed of a welding furnace, a quenching furnace and a tempering furn...
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...
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 ...
From October 12 to October 18, our Sanshan’s technicians conducted field tests on the 2.0 version of 76T45,89T45 thread button bit in miaogou iron mine, qinhuangdao, hebei province. The custo...
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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 ...