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API TCI tricone rock bit IADC637 6 3/4″ (171.4mm)
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Theko ea li-bit tsa API Tricone IADC637 8 1/2 ”(215.9mm)
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Karolo ea ho phunya konopo ea rotary IADC617 12 1/4 inches (311mm)
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Moetsi oa li-drill bits tsa API tricone IADC637 12 1/4 ” (311.1mm)
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Sekotwana sa tšepe se koetsoeng IADC637 14 3/4” (374.6mm) bakeng sa seliba se tebileng
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Likhoune tse tharo IADC637 17 1/2” (444.5mm)
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Mofani oa li-bits tsa Tricone IADC637 6.5 inches (165mm) bakeng sa lefika le thata
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Li-roller bits tsa rotary IADC637 9 7/8” (250.8mm)
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Fektheri ea API ea Roller cone bit IADC637 3 7/8″ (98mm) e teng setokong
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Mofani oa li-button bits IADC637 7 7/8 ” (200mm)
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Li-bits tsa lefika la tricone tsa API IADC637 9 5/8 ” (244.5mm) li teng setokong
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TCI tricone bit IADC617 6 1/2″ (165mm) bakeng sa rig ea ho tjheka