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kelleg@kellegco.com

2023-06-07

How to reasonably arrange the button and shape of button bit?

The quality of the carbide buttons is crucial to the drilling life of the button bit, such as the diameter of the button and the selection of a reasonable button layout and button shape.

2023-06-05

What are the types of tapered drill rods?

Tapered drill rod occupies a certain proportion of rock drilling tools, and there are different types according to different connection methods.

2023-06-03

Safe use and maintenance of threaded rod

Threaded rod is a kind of high-strength composite material containing silicon and manganese, its safe use and maintenance are directly related to people's life safety.

2023-06-02

How to prevent drill rod failure?

Preventing drill rod failure can not only reduce the production efficiency of rock drilling operations, but also give full play to the high efficiency characteristics of hydraulic drilling rigs.

2023-06-01

The World’s Two Largest Manufacturers of Rock Drilling Tools

The world's two largest rock drilling tool manufacturers are Sweden's Atlas Copco and Sandvik, and their product research and development efforts have always been in a leading position in the field of rock drilling equipment.

2023-05-31

Types of hollow steel

The manufacturing material of the drill rod is hollow steel. Due to the different needs of rock drilling, hollow steel also has various types.
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