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Diameter 90mm CIR90 Stone Drilling Bits For Hammer Down The Hole Drilling2025-03-10 17:23:51 |
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0.7Mpa-1.75Mpa Middle Low Air Pressure DTH Hammers2025-03-07 16:20:54 |
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IR3.5 90mm 105mm Blast Hole DTH Drill Bits Good Wear Resistance2022-03-15 16:14:00 |
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QL50 152mm DTH Button Bits 5 Inch Bits For Concrete Drilling And Blasting2021-08-10 10:50:48 |