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Chevron Step Drag Bit Carbide Blade Drag Bit 2 3/8"~6 5/8" API reg pin2019-08-14 15:20:16 |
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165mm Chevron Bit API 3 1/2'' REG Thread Type Long-lasting Drilling2025-03-05 15:45:01 |
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Thread API 4 1/2 Reg DTH Drilling Hammer For Water Well Construction2024-10-31 11:36:25 |
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65-178mm DTH Hammer for Mining and Water Well Drilling2025-08-13 18:20:17 |
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Mining SD Series DTH Drill Hammer Compatible with Size 4''-12''2022-08-29 11:22:46 |