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6.5'' High Air Pressure Nickel Alloy Steel DTH Drill Bit For Blasting2021-01-15 11:49:22 |
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API 2 3/8'' REG Thread Drag Bit Made By Advanced Forging Processing2025-01-02 12:01:21 |
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165mm Chevron Drag Drill Bit 6.5 Inch API 3 1/2" For Mining2019-08-14 15:20:16 |