DTH Hammers
DHD340
5-inch DTH hammer balancing penetration and air efficiency for quarry and mining.
ND55 (5")
DHD340
The ND55 covers the most common 5-inch production holes. A robust piston and optimized air path give strong penetration in abrasive formations with lower fuel cost per meter.
Surface miningQuarryBlast holesWater wells
Specifications
| Hole diameter | Ø135–155 mm |
|---|---|
| Drill pipe | API 2-3/8" / 3-1/2" REG |
| Working pressure | 10–25 bar |
| Outer diameter | 125 mm |
| Length | 1015 mm |
| Weight | 34 kg |
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