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 ...
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...
Self Drilling Rock Bolt is a type of fastener used in civil engineering projects to provide reinforcement and support for rock formations or unstable surfaces. Unlike traditional bolts that require...
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...
Introducing the Air Pick – The Revolutionary Pneumatic Tool!
The Air Pick is a cutting-edge pneumatic tool, designed to make tough jobs easier. This revolutionary tool is durable and reliable...
Introducing the Shank Adapter – The Revolutionary New Tool in Drilling!
The Shank Adapter is a powerful new tool that is transforming the world of drilling. This innovative tool is des...