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API TCI tricone pobowola thanthwe IADC417 6″ (152mm) kwa molimba bwino
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API pobowola bwino pang'ono IADC417 12 1/4″(311mm) ya thanthwe lolimba
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API tricone kubowola pang'ono IADC437 6″ (152mm) pobowola bwino
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TCI tricone pang'ono IADC437 12 1/4″ (311mm) pobowola bwino
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API fakitale ya rock roller cones bits IADC437 8.5″ pobowola
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Kubowola kozungulira IADC447 mainchesi 6.5 (165mm)
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API Rotary wodzigudubuza kubowola pang'ono IADC517 4.5 mainchesi (114mm) mu katundu
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Button bit IADC517 118mm pobowola mwala wa geothermal.
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API fakitale ya rotary wodzigudubuza pang'ono IADC517 4 3/4″ (120mm)
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API rotary batani losindikizidwa bits IADC517 5 1/4 ″ (133mm) mu katundu
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Tungsten Carbide Ikani thanthwe pobowola pang'ono IADC517 5 7/8″ (149mm)
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API Bwino kubowola tricone pang'ono IADC517 6″ (152.4mm) zogulitsa