掘削径
50ミリメートル, 75ミリメートル, 60ミリメートル, 100ミリメートル
Product name
deep well drilling equipment
Feature
High Drilling Efficiency
Usage
deep well drilling equipment
Application
deep well drilling equipment
Weight of Drilling machine (kg)
250
Drill rod diameter (mm)
51
Rod change method
Full automatic screw thread
Drilling method
Percussive and rotating type