[Application scope] The matching screw motor is used for directional drilling construction of gas drainage holes, water drainage holes, grouting reinforcement holes, etc. in coal mines.
[Technical features] High-wear resistance, high impact toughness cutting teeth are used, which are not easy to collapse; high-performance solder is used to ensure the welding strength. Flat-bottom bit body is formed by sintering process. Compared with steel body bit, it has strong wear resistance, is not easy to reduce diameter, and has a long life.
[Common specifications]
φ96mm, φ98mm, φ120mm, etc.
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