In underground mine roadway excavation,
challenges like narrow space and complex geology exist.
Down-the-hole (
DTH)
drills play a key role here with their compact structure and reliable performance.
In underground mines,
roadway excavation needs blasting holes drilled in limited spaces for blasting operations.down the hole drilling rig

DTH drills can be designed in different specifications based on roadway section sizes. They move flexibly in tight spaces, quickly drilling 76-127mm diameter and 2-4m deep holes to meet blasting requirements.
Moreover:
- The modular design of DTH drills allows easy disassembly and assembly underground, facilitating maintenance.
- This design reduces equipment downtime from failures, ensuring continuous roadway excavation.
- It enhances mine excavation progress by maintaining operational continuity.down the hole drilling rig