89mm T45 Retractable Button Drill Bit Cemented Carbide Rock Drill

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Dec 23, 2024
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89mm T45 Retractable Button Drill Bit Cemented Carbide Rock Drill Description: We can design customized thread button drill bits according to different drilling application, and custom drill bits are applicable to drill soft rock, loose-medium rock and hard rock.Rock Drill Thread Button Bits is suitable for R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, T60 rock drill rods use. It have many thread. It's widely used for hard rock(f=8~18) drilling use. Applications •
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