مثقاب tricone

فيديوهات أخرى
August 03, 2025
Video Description:
Discover the TR3 Tricone Steel Mill Tooth, the fastest drilling bit by Roschen Group Limited. Designed for soft to medium hard sandstone and shale, this 7-5/8'' diameter bit features long 'A' shaped teeth for maximum penetration. Perfect for mining, oil, and water well drilling.
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