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6" inch non-sealed bearing drill bits
HejianHuanyuPetroleumMachineryCo.,Ltd.Wasestablishedin1998,locatedinHejianwhichisinthemiddleofCangzhoucity,andenjoysgood
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2024-05-07 |
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Sealed Roller Bearing rock bits
1.RollertriconebitsforMiningandRockDrillingThestrengthandwearresistanceofinsertsareimprovebyusingcarbideinsertswithhighs
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2024-05-02 |
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Air cooled tricone bits
SpecificationofAir-coolingRollerbearingbitsApplication:Mining.Bearing:Air-CoolingRollerBearing.Cuttingstructure:Insertbi
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2024-05-01 |
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