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Dart 8 x 120mm Premium Multipurpose Drill Bit
TCT Drill Bit 5A Carbide Tip Hole Saw 12-120mm Drill Bit Set Hole Saw Cutter
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120mm-152mm full drill bit/Carbide Drill Bit Body PDC Bit for Water Well Drilling Geological Drilling Steel - AliExpress
76mm 94mm 120mm 3 Wing Non Core Arc Scraper PDC Drill Bit for Mining - China PDC Drill Bit, PDC Core Drill Bit | Made-in-China.com