Plug Hole Integral Drill Steels - China Manufacturers, Factory, Suppliers

Plug Hole Integral Drill Steels, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

Precautions for the use of thread button bits

For proper use of the button bits, guarantee the normal wear of scrapped the button bit, must pay attention to the following: 1 .according to the rock conditions (hardness, corrosion resistance) d...
Advancements in Tunneling and Underground Excavation by Drill & Blast

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...
Extension rods

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 ...
76T45,89T45, thread button bit

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...
New top hammer rods and bits

newest top hammer tooling, the Drifter series of rods and bits. designed with a unique thread profile for added endurance and strength in the most demanding tunneling, bolting and drifting applica...
New Production Line of the Picks

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...

Down The Hole Hammer