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9 1/4 "Ibyuma byinyo hamwe na ibyuma 3

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8 5/8 "Ibyuma byinyo hamwe na ibyuma 3

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12 1/4" TRICONE BIT IADC114/117/127/217/317

IADC114/117/127/217/317

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16 "PDC bit hamwe na ibyuma 5

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17 1/2 "PDC bit ifite ibyuma 5

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17 1/2 ” TRICONE BIT IADC114/117/127/217/317

IADC114/117/127/217/317

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