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API tricone bits leveransier IADC117 5 7/8 inch (149mm)
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API-freesde tosk tricone-boarbits IADC114 12 1/4″ (311mm)
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Keapje tricone bits IADC117 12 1/4 inch (311mm)
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Boarkop foar putboarring IADC126 3 7/8 inch (98,4 mm) foar hurde rots
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Boarringsboarringsboarringsfabryk IADC126 17 1/2 inch (444,5 mm)
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Tricone bitfabryk IADC126 26 inch (660mm)
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Hiele boarbits fabryk IADC127 6 1/4 inch (158.8mm)
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Leveransier fan Tricone-bits IADC127 7,5 inch (190 mm)
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API-rigboarbits IADC127 8 1/2 inch (215 mm) foar hurde rots
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Tricone-bits op foarried IADC127 8 3/4 inch (222 mm)
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API freesbits op foarried IADC127 9,5 inch (241 mm)
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Djippe putboarringsbits IADC127 13 5/8” (346mm) op foarried