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Tricone roller drill bits IDC517 6 1/4 ″ (159mm)
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TCI akara bọtịnụ nkume IDC517 6 1/2" (165mm) maka igwu mmiri.
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TCI tricone bit IDC517 7 1/2 ″ (190mm)
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Deep Well Tricone Bit IDC517 7 7/8 sentimita (200mm)
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API Tricone Bit IDC517 8.5 sentimita (215.90mm)
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API Tricone mkpọpu ihe IDC517 8 3/4 inch (222mm) na ngwaahịa
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Tricone Roller Bits IDC517 9.5 sentimita (241mm)
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Rotary tricone Bits IDC517 9 7/8" (250mm) maka nkume siri ike
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Atọ cones nkume bit IDC517 10 5/8" (269mm)
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Rotary nkume bit IDC517 11 5/8" (295mm)
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Rotary tricone bit IDC517 12 1/4 ″ (311mm)
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Cones atọ bit IDC517 13 5/8" (346mm)