• Origin：Xi′an

Basic Info.

Origin Xi′an

Product Description

[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]
The drill bit has a right-angle inner tapered blade wing structure, and the density of the teeth is increased. The drill body is formed by a sintering process. Compared with the steel body drill, it has strong wear resistance, is not easy to reduce diameter, and has a long life.

[Common specifications]
φ96mm, φ98mm, φ120mm, etc.