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T38 Mining Threaded Cross Bits CNC Milling Drill Bits 3 Inch 89mm
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High Quality R32-64mm Retrac Threaded Cross Drill Bit
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R3212 Threaded Drilling Cross Button Bit, Cross Button Bit,Cross Drill Bits
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R32 – 43mm Threaded Cross Bits Rock Drilling Bit For Underground Coal Mining
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New Designed Tungsten Carbide Insert R32 Threaded Carbide Cross Drill Bit for Mining
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R32 64mm Thread Cross Bits Tungsten Carbide Rock Drill Bits
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R28 Thread cross drill bits for tunneling 34mm 36mm 38mm 40mm 42mm 45mm 50mm
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Thread R28 Cross Bits Tungsten Carbide Rock Drill Bits
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Small Hole Drilling Tools R25-51mm Threaded Cross Bits For Underground Coal Mining
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R25 Thread Cross Type Bit with Tungsten Carbide Cuttings
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R25-45mm Threaded Cross Bit for Rock Drilling
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R28 Threaded Coal Mining Cross Bits
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25 Years Manufacturing Experience
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