After-sales Service: | Warranty |
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Warranty: | 1 Year |
Certification: | CE, ISO 9001:2000, API |
Standard: | AISI, ASME, ANSI |
Surface Treatment: | Galvanized |
Manufacturing Process: | Forging |
Samples: |
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Customization: |
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Cheap Core Prices Anchor Drill Bit 25mm 45CrNiMoV For Coal Mining
Name | Imported small ball coring bit |
Use | Geological exploration,rock sampling,water wells |
Adaptive stratum | Limestone,dolomite,carbonaceous limestone,marl,shale,medium hard stratum |
Size | 73mm 75mm 91mm 89mm 94mm 108mm 113mm 127mm 133mm 146mm 153mm |
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