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Tricone roller bits IADC517 6 1/4″ (159mm)
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TCI fa'amaufa'ailoga papa fa'amau fa'amau IADC517 6 1/2″ (165mm) mo le vili lelei
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TCI tricone bit IADC517 7 1/2″ (190mm)
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Vailalo Tricone Bit IADC517 7 7/8 inisi (200mm)
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API Tricone Bit IADC517 8.5 inisi (215.90mm)
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API Tricone vili vili IADC517 8 3/4 inisi (222mm) i totonu
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Tricone Roller Bits IADC517 9.5 inisi (241mm)
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Rotary tricone Bits IADC517 9 7/8″ (250mm) mo papa malo
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E tolu cones papa maa IADC517 10 5/8″ (269mm)
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Usu papa Rotary IADC517 11 5/8″ (295mm)
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Rotary tricone bit IADC517 12 1/4″ (311mm)
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E tolu kosi bit IADC517 13 5/8″ (346mm)