R25-45mm Threaded Drill Bit | Threaded Cross Bit |
Rock drill bits factory ProDrill offers a wide of threaded drill bit as per different thread type, diameter, skirt body, face, and carbide shape as for your drilling job. R22, R25, R28 Threaded Button Bits, Main Diameter 40mm, 41mm, 43mm, 45mm. Carbide shape: Dome, Ballistic , Semi-Ballistic, Skirt body : Standard Used in drifting and tunneling ...
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