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Standard Button Drill Bit 115mm T51 For Hard Rock Formation Drilling2019-10-23 16:41:18 |
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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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Forging 140mm QL50 DTH Drill Bits Ore Mining Hole Drill Bit For Mining2025-03-10 17:23:52 |
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30mm 32mm 33mm 34mm 36mm 38mm 7 degree Cross Bits Chisel Bits2021-08-26 16:10:09 |