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8 1/2 ka pulgada nga PDC Drill Bit M137 para sa Hard Rocks Drilling
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12 1/4 ka pulgada nga API PDC Drill Bits sa China Factory
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12 1/4 pulgada M166 Matrix Lawas Polycrystalline Diamond Drill Bits
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12 1/4 ka pulgada nga Steel Body PDC Bits Para sa Oil Well Drilling
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12 1/4 pulgada M166 Maxtrix lawas polycrystalline diamante drill bits
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12 1/4 pulgada nga Matrix Body PDC Drill Bits M196 Para sa Oil Well Drilling
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API 12 1/4 pulgada API PDC drill bits manufacturer sa stock
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7 blades PDC drilling bits M137 8.5 pulgada alang sa oilfield well
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Ang tigsuplay sa API sa 6 nga baldes Matrix body PDC rock drill bits-6 ″
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Matrix nga lawas PDC diamante drill bit M137 5 7/8 pulgada (149mm)
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Oil well drilling Matrix body PDC drill bits gasto
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6 1/2 pulgada PDC lakang drag bit 3 Blades alang sa lisud nga welll drilling