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info.k@kellegco.com

2023-08-01

What are the factors and precautions that affect the service life of MF rods for mining drills?

There are many factors that affect the service life of drill rods in mining drills, of which 4 factors have the greatest impact.

2023-07-28

How to test cemented carbide?

The guarantee of product quality needs testing, and cemented carbide is no exception.

2023-07-26

Important Measures to Prolong the Service Life of Rock Drilling Tools: Reasonable Use

The service life of rock drilling tools depends on its inherent quality and reasonable use technology, and reasonable use is an important measure to prolong its service life.

2023-07-24

Requirements for Anti-corrosion Process of Rock Drilling Tools

During the manufacturing process of rock drilling tools, the process of optimizing rock drilling tools should be adopted, and at the same time, the rock drilling tools should be treated with anticorrosion.

2023-07-21

Four face designs of DTH drill bits

The end face design of the DTH drill bit used in production is deep concave center type, concave type, flat type and convex type.

2023-07-19

Understanding the role of DTH Drill Bit Materials on Heat Treatment Process Optimization

Knowing the shape, factory state, chemical composition, grain size, hardenability and mechanical properties of the raw material used for rock drill bit can optimize the heat treatment process of the material.
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