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PDC drill bits:
New products with super long life, high efficiency and wide application.
1. PDC drill bits (non-core bits)
Application for penetration of gas hole, water-discharging hole, and grout hole under coal mine.
Size: dia 48-dia 270mm
Concave model, Pillar model, Blade model, Expansion model
2. PDC Drill bits (core bits)
Application for core drill of coal system stratum with hardness coefficient f<10 in geological exploratory. Size: dia 56- dia 133mm
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