The weight（T）: 5.2
The hole diameter（mm）:140-254
Drilling depth（m）: 180
Walking speed（km/h）: 2.5
Body of the whole machine steels quality is good, torque is large；
Easy operation, free-maintaining；
For various complex stratum, such as pebble bed, aggregate bed. Saving money, compact construction, easy moving；
Applicable to industry, residents drilling, ground drilling, large diameter, deep drilling, footage fast, flexible and efficient；
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