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 ...
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 ...
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...
HTF MI recently Announced Global Top Hammer Drilling Tools study with 100+ market data Tables and Figures spread through Pages and easy to understand detailed TOC on “Top Hammer Drilling Tools. Glo...
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...
In the field of drilling and construction, having the right tools is crucial to getting the job done efficiently and effectively. For those tasked with drilling hard rock, Hard Rock Tapered Drilli...