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T45 T51 Retrac Rock Bit , Atlas Copco Rock Drill Bit for Rock Drilling

PDC Drill Bit 6 Inch Diamond Drill Bit Hard Rock Bit With API 3-1/2 in Pin Box

Drill Bit Tricone Palm, Single Cone Drill Bit, Oil Well Drilling Rock Bit 8.5inch

537 IADC Code Tricone Roller Rock Bit 6 12 14 5 12 Tricone Drill Bit

Hard Rock Bit Drilling Bucket Rock Tools 800mm For Drilling Equipments

Body Open 2500mm Dia 20mm Thick Cleaning Bucket Piling Double Cut With Rock Bit

Shank PR40 138mm DTH RC Hammer Rock Bits For Geological Exploration

High Speed Drilling Tool 6 3/4" Pdc Rock Bit With Api 3 1/2 Reg Pin Thread

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Stellite 190 Welding Hard Facing Powder For Rock Bits

35mm Tapered Drill Rock Bits With 12 Degree Taper In Drill Rod For Quarrying Mineral Tunneling

Soft To Medium Hard Formation PDC Rock Bit With High Quality Made In China