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Roller cone lu biit IDC637 4 5/8″ (118mm)
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Tricone rola bit IDC637 4 3/4" (120mm) fun liluho apata lile
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Bọọlu ehin tricone biit IDC637 5.5″ (140mm)
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API factory ti TCI tricone biit IDC637 6 “(152.4mm) ni iṣura
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API TCI tricone apata bit IAC637 6 3/4 ″ (171.4mm)
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API Tricone owo bit IDC637 8 1/2 "(215.9mm)
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Bọtini Rotari lu bit IDC617 12 1/4 inches (311mm)
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API tricone drill bits olupese IDC637 12 1/4 ”(311.1mm)
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Irin edidi lu bit IAC637 14 3/4 ”(374.6mm) fun kanga jin
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Awọn cones mẹta bit IDC637 17 1/2 ”(444.5mm)
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8 1/2 Inches PDC Drill Bits OEM Factory
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API 8 1/2 Inches Polycrystalline Diamond Drill Bits