6 Inch DTH Hammer for Rock Drilling - High Air Pressure 1.0-2.5Mpa with 25-40r/min Rotation Speed
The 6 Inch DTH Hammer is a high-performance down-the-hole drilling component engineered for demanding rock drilling operations. Available in multiple configurations including low, medium, and high air pressure models to suit various drilling requirements.
| Parameter | Type A | Type B | Type C | Type D |
|---|---|---|---|---|
| Length (less bit) | 930mm | 1030mm | 1084mm | 1097mm |
| Weight (less bit) | 25kg | 39kg | 40.5kg | 41kg |
| External diameter | Φ82mm | Φ99mm | Φ99mm | Φ99mm |
| Bit shank | DHD3.5 | COP44 DHD340 | SD4 | QL40 |
| Hole range | Φ90-110mm | Φ110-135mm | Φ110-135mm | Φ110-135mm |
| Connection thread | API 2 3/8" Reg. | |||
| Working pressure | 1.0-1.5Mpa | 1.0-2.5Mpa | ||
| Impact rate at 1.5-1.7Mpa | 28Hz | 27Hz | ||
| Recommended rotation speed | 25-40r/min | |||
| Air consumption (1.0Mpa) | 4.5m³/min | 6.0m³/min | ||
| Air consumption (1.8Mpa) | 9.0m³/min | 10.0m³/min | ||
| Air consumption (2.4Mpa) | - | 15.0m³/min | ||
This high-performance DTH hammer is engineered for diverse industrial applications including:
- Metallurgy, coal, chemical, and building materials mining
- Water conservancy and hydro-power projects
- Highway and railway construction
- Defense and infrastructure projects
- Blast holes, anchoring, geothermal bore holes, and quarrying
Suitable for dry drilling, wind and water mixing, and water gushing operations, making it ideal for various drilling conditions.
Quality Assurance: Our experienced quality control team conducts strict inspection and testing for every order before shipping to ensure product reliability and performance.
After-Sales Support:
- 24-hour response to customer inquiries (excluding holidays)
- Available technical support at any time
- Free replacement for confirmed quality-related failures
Each DTH hammer is securely packed in cardboard and plywood cases for optimal protection during transit. We offer flexible shipping options including sea, air, and express delivery to meet your project timelines.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.