NQ/HQ/PQ Колонковые сверла для мягкого и среднего образования Алмазные

The Impregnated Diamond Bits are the most commonly useful bits in the mineral exploration industry, as they have the widest range of application. 

1. Significantly outperforms the successful Series range in drilling speed and bit life.
2. Protects the diamond from oxidation and surface degradation.
3. Inhibits the premature "pull-out" of the diamond.
4. Available in multiple standard configurations and selected on the basis of relative rock hardness and ground conditions.

Reliable
We had been proved more than 500 customers from more than 40 countries till 2015.

Experience
8 years global business experience since 2009. More than 20 million RMB of various rock drilling tools are delivered to hundreds of clients by Henan Drills-King every year.

Quality
Run strictly in compliance with the ISO9001 quality management system, and some of our products have passed API& CE certification.

Service
We do not just supply drilling tools, we build relationships and offer professional service.

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