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Products > casing drilling > Changsha Drilling Machinery CO., LTD | Similar Products

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HW Diamond Casing Shoe: drill bits crown contains a uniform distribution of these crystal diamonds that are embedded in a powdered metal bond. The main technical parameters of impregnated diamond core drill bits are diamond ...

NW Diamond Casing Shoe: drill bits crown contains a uniform distribution of these crystal diamonds that are embedded in a powdered metal bond. The main technical parameters of impregnated diamond core drill bits are diamond ...

BW Diamond Casing Shoe: drill bits crown contains a uniform distribution of these crystal diamonds that are embedded in a powdered metal bond. The main technical parameters of impregnated diamond core drill bits are diamond ...

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HW Diamond Casing Shoe