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QL60 Nickel Alloy Steel 7'' 178mm Water Well Drill Bits2020-10-09 10:59:52 |
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Concave Face Diameter 216mm 8 1/2'' DTH Drill Bits2020-10-09 10:53:16 |
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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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Diameter 190mm DTH Water Well Drill Bits With Tungsten Carbide Buttons2024-10-31 11:39:21 |
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100mm 3 15/16'' DTH Drill Bits With Convex Face2020-10-09 11:09:33 |
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203mm High Pressure Down The Hole Drill Bits For Mining2021-01-15 11:30:34 |
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165mm Shank M60 Carbide Black DTH Hammer Bits For Construction Works2024-10-31 11:39:21 |
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Special Steel Material Well Drilling Bits DHD350-135mm Tungsten Carbide2020-03-06 00:49:20 |