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...
Rock Auger Cutting Drill Teeth are a new innovation taking the mining and construction industries by storm. These high-performance teeth are specifically designed for use with rock augers and are m...
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 ...
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...
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 ...
Bullet Teeth: The New Generation of Rotary Drilling Teeth
A new type of rotary drilling teeth is taking the drilling industry by storm. Known as bullet teeth, these innovative tools are designed to...