42mm Drill Bit - China Manufacturers, Factory, Suppliers

42mm Drill Bit, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

Pneumatic rock drills use

Pneumatic rock drills are mainly used for two purposes: 1. The rock drill is a stone mining machine that uses the rotation and impact of the steel drill to drill holes in the rock, and is also use...
Overview of water well drilling rigs

In the 2nd century BC, China has used manpower and used bamboo bow elastic force to make the cone drill bit impact the ground to drill. Later, it was used in rural China for a long time. It was not...
TCA-7(G7) Air Pick Uses and Detailed Parameters

TCA-7(G7) air picks are widely used in crushing operations in construction, coal mining,infrastructure development and other fields. Air pick TCA-7(G7) has mature technology is durable, lightweight...
Notes on deep water well drilling rigs

The following points should be paid attention to during the construction of the deepwater good drilling rig: 1. Scrub the outer surface of the drilling rig, and pay attention to the cleaning and ex...
The use of air picks and precautions

The use of air picks and precautions air pick is a kind of manual pneumatic tool; it uses compressed air neon to push the reciprocating motion of the live package; it makes the head of the pick con...
How to develop high-quality mining in the post-epidemic era

Affected by the new crown pneumonia epidemic, the development trend of global mining has become confusing. The industry pays close attention to the trend of the global economy, changes in internati...