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Hole diameter: 105-500mm

Drill depth: 660m

Rotation speed: 70-150r/min

weight: 12.5T

1. Drilling depth can reach 660m;

2. Steels quality is good, torque is large;

3. For various complex stratum, such as pebble bed, aggregate bed.

4. Applicable to industry, residents drilling, ground drilling, large diameter, deep drilling, footage fast, flexible and efficient.