DTH Hammers
DHD3.5
4-inch high air pressure DTH hammer for small blast holes and water wells.
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DHD3.5
The ND45 is a compact, high air pressure down-the-hole hammer for 4-inch boreholes. Its simplified valving delivers reliable penetration in hard rock while keeping air consumption efficient for small to mid-size rigs.
Blast-hole drillingWater wellsConstructionQuarry
Specifications
| Hole diameter | Ø105–130 mm |
|---|---|
| Drill pipe | API 2-3/8" REG |
| Working pressure | 10–25 bar |
| Outer diameter | 98 mm |
| Length | 880 mm |
| Weight | 18 kg |
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