8 3/8" FA517GT , TCI Tricone Bit , TCI Bit , Tricone Bit , Gage Protection
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8 3/8" FA517GT , TCI Tricone Bit , TCI Bit , Tricone Bit , Gage Protection PRODUCT SPECIFICATIONGS Bit Size: 8 3/8 inch (212.7mm) IADC : 5 1 7 SERIES: ...
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