- MOQ1 Set(s)
- shotholeblasthole
- Supply TypeManufacturer, Exporter
- Preferred Buyer Location All over the world
We offer Drag Bit. 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
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