Dth Drill Bit - Manufacturers, Suppliers, Factory from China

Dth Drill Bit, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

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 ...
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...
Visit of the Customer from South Africa

Mar. 3rd – 4th, 2016, one customer of South Africa visited our company for the pick production line. Our picks had good and reliable performance in the test and in great demand in South Africa. Th...
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 ...
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...

Impregnated Diamond Core Drill Bits