PNJ Reverse Circulation Drill
PNJ International Co.,Ltd’s RCD machines are large bored pile equipment of soil foundation job sites as bridges, buildings and subways and used for the vertical excavation work by means of the installed power swivel with rotary bits based on hydraulic system.
- Fast and clean cuttings discharge through reverse circulation
- Ideal for large-diameter and deep foundation drilling
- Stable performance even in water-bearing formations
- Customizable bit and barrel configurations for various ground conditions