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17 1/2 inch stiel tooth tricone bit Iadc 127 foar bou gat boarring
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15 1/2 Inch Iadc 127/217 Milled Tooth Tricone Bits Foar Soft Formaasje
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14 3/4 inch Iadc 127 Tricone Drill Bit Steel Mill Tooth Roller Cone Drilling Rig
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12 1/4 inch Api Stanard Tricone Bit Water Well Steel Tooth Rock Roller Bit Te keap
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10 5/8 Inch Mill Tooth Tricone Bit Iadc 217 Steel Tooth Drill Bits Tricone Steel Tooth Bit
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9 7/8 inch Iadc 217 stielen tooth tricone bit brûkt foar wetterputten
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8 3/4 ″ Stalen Tooth Triocne Foar Soft Well Boarjen Metal Drill Bit Multi Purpose Drill Bits
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8 1/2 inch 215.9mm Iadc 127 stiel tooth tricone bit geskikt foar bou yndustry en mynbou
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7 7/8 Inch Iadc 127 Water Well Milled Tooth Drill Bit
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7 1/2 inch 190mm Tci Roller Cone Bit Foar Medium Hurde Formaasje Water Well Boarjen
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6 3/4 inch Iadc 217 stielen tooth tricone rotsbit foar boarring
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3 7/8 inch stielen tosk Tricone Bit Iadc Code 127 foar sêfte formaasje
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