Diamond core drilling is also exploration drilling method, which is the most conventional one, and has widely utilized in geological survey, mining exploration and bedrock stratum investigation and...
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...
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 ...
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...
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...
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...