Down The Hole Drill CQD 70
CQD 70 type down the hole drill is a new type of rock drilling equipment.
CQD 70 down the hole drill is a new type of rock drilling equipment which widely used in many ways which needs to drill blasting holes such as small-medium mines ; mining projects ,national defence construction,irrigation works,road construction etc.
Technical datas
Dia. of hole : 60mm-80mm
Depth of hole : ≥15m
Push length: 1m
Working pressure : 0.5-0.7Mpa
Air comsumption : 3.5M3 / min
Max Lifting capacity: 3600KN
Down The Hole Drill CQD 70
