76mm API 2 3/8 REG DTH Hammer with 155mm-190mm Hole Range for High Performance Drilling
Price:
$3-$300
MOQ:
1 Piece
Delivery Time:
10-15 days
Brand:
MTH
Product Description
High Performance 76mm 3 Inch DTH Hammer For Quarrying Exploration
Product Description
3" Down The Hole (DTH) Hammer with Tube for Water Well Drilling & Mining Applications
Applications
Designed for drilling operations in mining, quarrying, exploration, water-well, geothermal, and construction/geotechnical projects.
Technical Overview
"DTH" stands for "Down The Hole" and is sometimes referred to as "RAB" (Rotary Air Blasting) in certain markets.
Specifications
| Parameter | Value 1 | Value 2 | Value 3 | Value 4 | Value 5 |
|---|---|---|---|---|---|
| Length (Without Bit) | 930mm | 1030mm | 1214mm | 1160mm | 1248mm |
| Weight (Without Bit) | 25.00 kg | 39.00 kg | 76.50 kg | 72.50 kg | 100.00 kg |
| External Diameter | 82mm | 99mm | 126mm | 126mm | 142/144/146/148mm |
| Bit Shank | DHD3.5 | COP44/DHD340 | COP54/DHD350R | ND55C/DHD350Q | COP64/DHD360 |
| Hole Range | 90-110 mm | 110-135 mm | 135-155 mm | 135-155 mm | 155-190 mm |
| Connection Thread | API 2 3/8"Reg | API 2 3/8"Reg | API 2 3/8"Reg API 3 1/2"Reg API 2 7/8"Reg |
API 2 3/8"Reg API 3 1/2"Reg API 2 7/8"Reg |
API 3 1/2"Reg |
| Working Pressure | 1.0-1.5 Mpa | 1.2-2.0 Mpa | 1.3-2.3 Mpa | 1.3-2.3 Mpa | 1.5-2.5 Mpa |
| Impact Rate at 17 Bar | 28HZ | 27HZ | 25HZ | 25HZ | 23HZ |
| Recommended Rotation Speed | 25-40 r/min | 25-40 r/min | 20-35 r/min | 20-35 r/min | 20-30 r/min |
| Air Consumption | 1.0Mpa:4.5 m³/min 1.5Mpa:9.0 m³/min |
1.0Mpa:6 m³/min 1.8Mpa:10 m³/min 2.4Mpa:15 m³/min |
1.0Mpa:9 m³/min 1.8Mpa:15 m³/min 2.4Mpa:23 m³/min |
1.0Mpa:9 m³/min 1.8Mpa:15 m³/min 2.4Mpa:23 m³/min |
1.0Mpa:10 m³/min 1.8Mpa:20 m³/min 2.4Mpa:28.5 m³/min |
Packaging
Wooden case
Key Advantages
- Constructed with superior alloy steel and robust design
- Energy efficient operation with reduced oil consumption
- 10%-20% lower air consumption compared to standard models
- 15%-20% faster penetration rate than conventional DTH hammers
- Wide working pressure range: 6 Bar to 35 Bar (0.6~3.5Mpa)
Product Images
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
HEBEI MINETECH MACHINERY TECHNOLOGY CO., LTD
Location
No. 466 Zhongshan Road, Shijiazhuang, Hebei, China
Contact Person
Nikolay