Hard Rock Diamond Core Drill Bits NQ HQ PQ Sizes Multipurpose

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December 08, 2022
Video Description:
Discover the HQ NQ Impregnated Diamond Bits, designed for wire line drilling with a 30mm crown height. These diamond core bits offer fast penetration rates, high efficiency, and minimal disturbance to formations. Perfect for coal formations and wire-line drilling series, they ensure superior coring quality and cost reduction.
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