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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Drilling Compressors
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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
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 DTH Hammers
 Key Features:
- ND35A: 3″
- ND45A: 4″
- ND55A: 5″
- DHD360A / QL60: 6″
- DHD380A: 8″
DTH BITSÂ
Key Features:
- DTH Bit Sizes: 3.5″
- DTH Bit Sizes: 4.5″
- DTH Bit Sizes: 5.5″
- DTH Bit Sizes: 7″ / 8″
- DTH Bit Sizes: 8″ / 8.5″ / 10″ / 12″
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