42mm Drill Bit - Manufacturers, Factory, Suppliers from China

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

Introduction of hand-held rock drill

The hand-held rock drill was introduced by Ingersoll-RandCo. in 1912. According to the power form, it is divided into four categories: pneumatic, hydraulic, electric and internal combustion drive. ...
Crawler Drilling Rig Crawler Maintenance

When the crawler drilling rig is constructed on a site with soft soil, the crawler and the rail link are easy to adhere to the soil. Therefore, the crawler should be adjusted slightly loose to prev...
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...
New S28 Pneumatic Rock Drill

Innovative S82 pneumatic rock drill, and through the valve-train impact drill, cooling and lubrication mechanism, slewing mechanism, the innovation of the flushing mechanism four design, break thro...
Ministry of Commerce: China ranks first!

On the morning of August 23, the State Council Information Office held a press conference. Minister of Commerce Wang Wentao, Vice Minister and Deputy Representative of International Trade Negotiati...
Screw air compressor high temperature overhaul method

The prerequisite is that the temperature of the screw air compressor machine room is within the permitted range, and the oil level is in the normal state (please refer to the random instruction). ...