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Lag luam wholesale tricone khoom IADC117 6 1/4 nti (159mm)
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Tricone khoom nqe IADC117 9 7/8 nti (250mm)
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Tom ntej: Tricone khoom IADC117 12 1/4 nti (311mm)
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Tricone khoom manufacturers IADC117 6 3/4 nti (171mm)
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Customized tricone khoom IADC117 13 5/8 nti (346mm)
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Tuam Tshoj zoo drilling khoom IADC117 17.5 nti (444.5mm)
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Zoo drilling taub hau IADC126 3 7/8 nti (98.4mm) rau pob zeb tawv
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Milled Tooth Bits tsum IADC126 4.5 nti (114mm)
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API laum bts Hoobkas IADC126 4 3/4 nti (120mm)
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API Peb lub khob hliav qab IADC126 4 5/8 nti (118mm) rau qhov zoo drilling
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Tricone khoom rau qhov zoo drilling hauv Tshuag IADC126 6inches (152mm)
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API Tricone laum ntsis IADC126 9.5 nti (241mm) kev muag khoom