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133mm Concentric Casing Drilling bits With 3 Wings For undtable formation2025-05-21 17:56:44 |
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OEM DHD340 Spline Pneumatic DTH Hammer For Construction Drilling2025-05-22 17:18:55 |
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12 Degree Taper 37mm Tapered Rock Drill Bits With Drill Rod For Quarry2024-10-15 10:57:19 |