Portable Handheld Hydraulic Jack Hammer Rock Drill
Hydraulic descripition:
Zondar Portable Handheld Hydraulic Jack Hammer Rock Drill is working efficiency is 5-10 times that of pneumatic rock drill, while consuming 1/3 power.
Portable Handheld Hydraulic Jack Hammer Rock Drill features:
Drilling performance: applicable to hard, semi-hard and soft rocks; According to different engineering requirements, we can offer various supporting devices for different working.

Performance Technology Parameter Configuration
| Model | ZDRB20 |
| Weight/kg | 20 |
| Torch/Rpm | 0-400 |
| Flow required/Lpm | 20-25 |
| Pice-rod handle size/mm | Hex7/8"×108 |
| Slag removal | Air |
| Dimension/mm | 620×415 |