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tunnel mine hexagonal drill rod
Selling leads
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... connected with tapered drill rod well for air leg or hand-held rock drill machine for drilling holes in gold and coal mining,marble and granite ...
2025-07-31 00:19:25
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...tapered rod through the taper for drilling. Product features: Degree: 4°46', 7, 11,12. Diameter: 28mm - 43mm. Button quantity: 6, 7, 8 ( ...
2025-07-31 00:19:26
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