90 Dth Bit - China Factory, Suppliers, Manufacturers

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

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...
Working principle and usage precautions of rock drill

Working principle Rock drills work according to the principle of impact crushing. During operation, the piston undergoes high-frequency reciprocating motion, continuously impacting the drill tail...
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...
The working principle of the rock drill

The rock drill works according to the principle of impact crushing. When working, the piston makes high-frequency reciprocating motion, constantly impacting the shank. Under the action of the impac...
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...
What are the proper steps to use a drill?

1. For the newly purchased rock drill, due to the protection measures of packaging, there will be some anti-rust grease inside. Be sure to disassemble and remove it before use, and smear lubricant ...

Mining Rock Drilling Tools Taper Drill Button Bit 28mm-42mm7°11°