YDH9001 Coring Drilling

Rotation speed 300-400 rpm

Rotation speed 300-400 rpm.
Percussion frequency:3500-8000bpm.

YDH4012 can achieve 8 types of rotation torque and speed combinations.

YDH4012 Coring Drilling
Percussion frequency 3500-8000bpm.

YDH90B Coring Drilling
Lightweight and compact design requires only small space.

YDR40A Coring Drilling
Two rotation speeds optional by selecting the hydraulic loop with the hand-operated hydraulic directional valve.

YDR40C Coring Drilling
High-Frequency Vibration with Two-Speed Rotation

YSD600 Hydraulic Vibratory Drill Head