DHD 3.5 Hammer
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Brand: HND
- High penetration rate: Direct percussive impact for efficient drilling in hard rock.
- Durable construction: Heat-treated, wear-resistant components for long service life.
- Reliable performance: Stable operation across a wide range of air pressures.
- Easy maintenance: Simple design that is quick to service and repair.
- Versatile use: Suitable for water wells, exploration, geotechnical drilling, and quarry work.
Estimated Delivery: Fri, Oct 23 – Wed, Oct 28 (Excl Sat, Sun)
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| Length (Less Bit) | Weight | Outer Diameter | Connection Thread | Bit Shank | Hole Range |
| 928mm | 25Kg | 82mm | API2 3/8″REG | DHD 3.5 | 90-110mm |
| Working Pressure | Recommended Rotation Speed | Air Consumption at 1.8Mpa | Air Consumption at 2.4Mpa |
| 1.0-1.7Mpa | 30-60 r/min | 4.5m³/min | 8.5m³/min |
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Key Specifications
- Free Air Delivery: 380–1,500 CFM
- Pressure Range: 150–500 PSI
- Mounting Options: Skid Platform / Trolley / Truck
- Available Makes: Chicago Pneumatic / ELGI / Atlas Copco / Doosan / Kaishan
Brand: METADRILL
Wireline Drilling
- Faster drilling cycles: Core is retrieved without tripping the rods, cutting non-productive time.
- Deep-hole capability: Efficient and economical for deep drilling where conventional coring becomes slow.
- High core quality: Good recovery and well-preserved samples for logging, assay, and testing.
- Borehole stability: Rods act as temporary casing, protecting the hole in difficult formations.
- Lower labor and wear: Less handling of rods reduces operator effort and equipment wear.
