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 ...
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 ...
Tapered drill rods have become one of the essential tools in the mining and construction industries. These rods are primarily used to hold and transfer energy from the rock drill to the drill bit, ...
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...
Mar. 3rd – 4th, 2016, one customer of South Africa visited our company for the pick production line. Our picks had good and reliable performance in the test and in great demand in South Africa.
Th...
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 ...