Diamond PDC Drill Bit , Non Coring Drill Bits 76mm Diameter For Coal Mining

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December 16, 2022
Video Description:
Discover the 76mm Diameter Non Coring Drill Bits PDC 3 Wings, perfect for coal mining and other drilling applications. These PDC concave bits are designed for hard and medium soft rock layers, offering high quality at wholesale prices. Custom sizes and colors available to meet your specific needs.
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