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Rock Drill Tools Rod berongga karo bit thread
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Kualitas apik Hexagonal Hollow Drill Rods ing China
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Bor hollow steel bahu drive alat pengeboran batang pengeboran
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New Dirancang Tungsten Carbide Insert Cross Drill Bit kanggo Mining
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Hot-sale rock alat ngebur thread tombol bit E-thread D-thread H-thread
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7,11,12 Tapered Degree Quality Taper Cross Bit
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34mm 7 Buttons 7 Derajat Taper Button Bit kanggo Mining
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32/34/36/38/40 7 Tombol lancip rock bor tombol bit kanggo hard rock pengeboran
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11 Derajat 38mm Tapered Rock Drill Button Bit kanggo Rock Drilling
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34mm bit taper tombol, bit pengeboran pertambangan kanggo ngebur rock lan pertambangan
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7 Button Bits 32mm Tapered Button Bor Bits kanggo Mining
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34mm taper bor bit tombol bit tapered rock bor bit kanggo pertambangan
