Basic Specifications
Model:NUMA180 Hammer
Certification:CE, ISO 9001:2000, ISO 9001:2008
Material:Carbon Steel
Surface Treatment:Spray-Paint
Working Pressure:1.5-3.3MPa
Outside Diameter:406mm
Length:2162mm
Weight:1464kg
Product Overview
High air pressure DTH hammer is designed for percussive drilling in rock formations. Characterized by high air pressure and superior efficiency, it is ideal for environments with abundant air supply. By using compressed air to drive the piston, it generates high impact energy to penetrate rock formations rapidly. This tool is widely utilized in mining, quarrying, and construction for its stability and long service life.
Key Advantages
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Maximum Energy Transfer: Optimized inner structure based on rock drilling theory for faster speeds and lower air consumption.
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Durability: Manufactured using high-quality alloy steel and advanced processing technology.
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Easy Maintenance: Simple, reliable internal structure for effortless assembly and disassembly.
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High Compatibility: Fully interchangeable with standard DTH bits and drill pipes.
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Superior Performance: Penetrates 15% to 30% faster than standard alternatives.
Technical Data Parameters
| Type |
Model |
Length (mm) |
Weight (kg) |
External Dia (mm) |
Hole Range (mm) |
| 3.5 inch | DHD3.5 | 930 | 25 | Φ82 | Φ90-110 |
| 4 inch | DHD340 | 1030 | 39 | Φ99 | Φ110-135 |
| 5 inch | DHD350 | 1214 | 76.5 | Φ125 | Φ135-155 |
| 6 inch | DHD360 | 1248 | 100 | Φ142 | Φ155-190 |
| 8 inch | D85 | 1492 | 188 | Φ180 | Φ195-254 |
| 10 inch | SD10 | 1502 | 290 | Φ226 | Φ254-311 |
DHD360 Specific Specs
| Hammer Length (without bit) | 2162 mm |
| Top Sub Thread | API 8 5/8" REG PIN |
| Outside Diameter | 406 mm |
| Weight | 1464 KG |
| Bit Diameter | 450-600 mm |
| Working Pressure | 15-35 Bar |
| Air Consumption | 63-85 M3/min |
Product Gallery
Packaging & Shipping
Frequently Asked Questions
1. What are the available payment methods?
We accept T/T (Telegraphic Transfer), Western Union, or L/C at sight.
2. How long is the order handling time?
Handling time depends on quantity. Normally production takes 25 days, but if stock is available for your requested size, it takes only 2 to 3 days.
3. What shipping methods are provided?
For sample orders, we suggest courier express (DHL/UPS/TNT/FEDEX) or air. For bulk orders, we recommend shipping by air or sea.
4. How is quality control managed?
We have an experienced internal QC team. Every order undergoes strict inspection and testing before being shipped out.
5. What kind of after-sales support do you offer?
Our team responds to inquiries within 24 hours. We provide continuous technical support and offer free replacements if a failure is confirmed to be caused by product quality.
6. Is a foot valve required for the drill bits?
No, our high air pressure DTH hammer designs do not require a foot valve in the bit, which helps maximize efficiency and part life.