Basic Information
Model NO.
QL40A DTH Hammer
Certification
CE, ISO 9001:2000, ISO 9001:2008
Surface Treatment
Spray-Paint
Manufacturing Process
Stamping
Machine Type
Drilling Tools
Color
Red, Black, Yellow, White
Working Pressure
1.0-2.2MPa
Production Capacity
500,000 PCS/Month
Product Description
High air pressure DTH hammer is an advanced down-the-hole drilling tool designed for percussive drilling in rock formations. It utilizes compressed air to drive the piston, generating high impact energy for efficient penetration. Widely used in mining, quarrying, and construction, these hammers are engineered for maximum productivity and durability.
- Energy Efficiency: Delivers maximum energy to the drilling bit with low air consumption.
- Durability: Adaptable alloy steel materials and advanced processing for long service life.
- Easy Maintenance: Simple inner structure allows for quick assembly and disassembly.
- Versatility: Interchangeable with various DTH bits and drill pipes.
- High Performance: Penetrates 15% to 30% faster than standard alternatives.
Technical Specifications
| 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 |
| QL4 | 1097 | 41 | Φ99 | Φ110-135 |
| 5 inch | QL5 | 1147 | 73 | Φ125 | Φ135-155 |
| 6 inch | DHD360 | 1248 | 100 | Φ142 | Φ155-190 |
| 8 inch | SD8 | 1463 | 192 | Φ180 | Φ195-254 |
Product Presentation
Frequently Asked Questions
What payment methods are accepted for orders?
We accept T/T (Telegraphic Transfer), Western Union, and L/C at sight.
How long is the typical handling and production time?
Normally it takes 25 days for production based on order quantity. If the items are in stock, it only takes 2 to 3 days.
What are the available shipping options?
For sample orders, we suggest courier expresses like DHL/UPS/TNT/FEDEX or air freight. For bulk orders, shipping by air or sea is recommended.
How is the quality of the products controlled?
Every order undergoes strict inspection and testing by an experienced QC team before shipping out.
What kind of after-sales service is provided?
Our team responds within 24 hours. Technical support is always available, and free replacements are provided for confirmed quality failures.
Can the DTH hammer be customized for specific drilling rigs?
Yes, our hammers are designed for high-pressure drilling rigs and are interchangeable with various DTH bits and drill pipes.