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7 1/2 inch Api Standert hege kwaliteit stielen lichem Pdc boarje foar oalje of wetterboarring
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4 1/2 Inch Water Well Roller Cone Bit 114mm Steel Tooth Tricone Bit
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9 7/8 Inch Promotional Premium Api StandardTricone Drill Bit Foar Well Drilling
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7 7/8 inch mei 6 blêden wetterboarne stielen lichem Pdc-boar foar goed boarjen
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12 1/4 Inch Mei 5 Blades Steel Body Pdc Bit Foar Wetter En Oalje Well Boarjen
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26 Inch Iadc 537 Drill Bit Fabrikant Rubber Sealed Bearing Tci Tricone Bit
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7 7/8 inch Iadc 537 Tci Tricone Rock Bit Foar Medium Hurde Formaasje
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15 1/2 Inch Iadc 537 Rubber Sealed Bearing Tci Tricone Rock Bit Foar Medium Hurde Formaasje
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8 1/2 Tricone Drill Bit Iadc 517 Drilling Tool Hege kwaliteit Leechste priis
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13 5/8 Inch Iadc 517 Water Well Tci Tricone Drilling Bit Foar Lege Kompressive Strength
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6 ″ Sleepbit / 3 Wings Chevron Sleepbit foar wetterput
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4 1/2 ″ Api 4 Wings Chevron Drag Bit Foar Geothermy Drilling