3.5″ Api Drill Pipes With Tool Joint - China Manufacturers, Factory, Suppliers

3.5″ Api Drill Pipes With Tool Joint, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

Hard Rock Tapered Drilling Button Bits Rock Tools

In the field of drilling and construction, having the right tools is crucial to getting the job done efficiently and effectively. For those tasked with drilling hard rock, Hard Rock Tapered Drilli...
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 ...
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...
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...
Bullet Teeth: The New Generation of Rotary Drilling Teeth

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...
Hard Rock Tapered Drilling Button Bits Rock Tools

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 ...

Reaming drilling tools