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API guda uku cones bit IDC537 11 5/8"(295mm) don rijiya mai ƙarfi
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Juyawa uku-mazugi bit IDC537 12 1/4"(311mm)
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Ƙarfe da aka rufe Far Eastern dutse hako bit IDC537 13 5/8"(346mm)
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API tricone drill bit IDC537 14 3/4" (374mm) don dutse mai wuya
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Tricone roller bit hakowa IDC537 15.5"(393.7mm) don zurfin rijiyar
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TCI hakowa bit IDC537 16"(406.4mm)
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Tungsten Carbide Saka tricone bit IDC537 17.5 ″ (444.5mm)
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API & ISO tricone roller bit IAC537 26"(660.4mm)