DTH hammer is widely used in rock engineering, suitable for piercing medium hard and high hard rocks. The product adopts the latest drilling theory design, perfect internal structure can enable the impact device to obtain ideal energy transfer. The drilling speed of this product is fast and the air consumption is low. The product belongs to valve type central exhaust impacter, which not only has good effect of discharging rock powder, but also reduces the repeated crushing of rock slag, reduces the wear of drill bit and improves the drilling efficiency. The product is easy to disassemble and install, low failure rate, convenient maintenance.
Features
The Dth Hammer (Down-The-Hole Hammers) is a high-performance drilling component designed for efficient rock penetration in demanding geological conditions. Engineered for medium-hard to extremely hard formations, it delivers stable impact energy directly to the drill bit, ensuring consistent penetration even in deep drilling environments.
Built on advanced pneumatic impact principles, this tool optimizes energy transfer while minimizing air loss, which helps maintain high drilling efficiency with reduced operational cost. Its internal structure is designed for stable performance under continuous use, making it suitable for long-cycle drilling tasks in mining, quarrying, and infrastructure projects.
As a core component of modern Dth Drilling Rigs, this hammer plays a crucial role in improving overall drilling productivity and reducing downtime. When integrated with high-quality rig systems such as those provided by XDDRILL, operators can achieve a more stable, efficient, and cost-effective drilling workflow.
Highlights at a glance
1.Efficient Rock DTH Hammer Drilling Equipment Fast Speed LowAir Consumption High Productivity Mining Construction Tools
2.Sturdy Rock Drill High-Quality Material Advanced Processing Durable Hammer Mining Construction Engineering Equipment
3.User-Friendly Rock DTH Hammer Drilling Tool Easy Assembly Maintenance Low Downtime Cost-Effective Small-Scale Operations Machinery
4.Widely Applicable Rock Drill Mining Construction Rock Engineering Low Air Pressure Cost-Effective Equipment
5.Cost-Effective Rock Drilling Machine LowAir Consumption Fast Speed Easy Maintenance Small-Scale Mining Tools
6.Durable Rock Drill Sturdy Construction Advanced Technology Efficient Drilling Low Maintenance Cost Equipment
7.Low Air Pressure Rock Drilling Equipment Cost-Effective Fast Drilling Widely Applicable Construction Machinery
8.Efficient Low-Cost Rock DTH Hammer Drill Fast Speed LowAir Consumption Easy Assembly Mining Construction Tools
9.Rock Engineering Drilling Equipment Sturdy Durable User-Friendly Low Downtime MultiApplication Machinery
10.Small-Scale Rock Drill Cost-Effective LowAir Pressure DTH hammer Requirements Efficient Drilling Construction Mining Tools
Main Technical Parameters
| Model | Length (Less bit) |
Weight | Outer diameter | Connection Thread | Bit Shank | Hole Range | Work Pressure | Air Consumption | Recommended rotation speed | |
| 1.0Mpa | 1.5Mpa | |||||||||
| CIR-50 | 628mm | 5kg | 44mm | F32*8PIN | CIR50 | Φ50mm | 4-10Bar | 3m³/min | 5m³/min | / |
| CIR60 | 777mm | 7.5kg | 53mm | F42*8PIN | CIR60 | Φ60mm | 4-10Bar | 3m³/min | 7m³/min | / |
| CIR65 | 745mm | 13kg | 61mm | F42*10PIN | CIR65 | Φ65mm | 4-10Bar | 6m³/min | 12m³/min | / |
| CIR76 | 811mm | 13.5kg | 66mm | F48*10PIN | CIR70 | Φ76mm | 4-10Bar | 6m³/min | 10m³/min | / |
| CIR90 | 855mm | 22kg | 80mm | F48*10PIN | CIR90 | Φ90-120mm | 5-10Bar | 7m³/min | 12m³/min | / |
| CIR110 | 871mm | 33kg | 98mm | API2 3/8"REG BOX | CIR110 | Φ110-150mm | 5-10Bar | 7m³/min | 12m³/min | / |
| N3 | 771.5mm | 20.5Kg | Φ80mm | T48X10 | N3 | Φ87-110mm | 0.8-1.7 Mpa | 5m³/min | 7m³/min | 30-60 r/min |
| N4 | 856mm | 35kg | Φ100mm | API2 3/8"REG | N4 | Φ108-135mm | 0.8-1.9 Mpa | 5m³/min | 9m³/min | 30-60 r/min |
| ND25A | 872mm | 16kg | Φ71mm | T48*10*1.5 | ND25A | Φ76-90mm | 1.0-1.7 Mpa | 3m³/min | 4.5m³/min | 30-50 r/min |
| ND35A | 886mm | 24.2kg | Φ82mm | API2 3/8"REG | ND35A | Φ90-115mm | 1.0-1.7 Mpa | 4m³/min | 6.5m³/min | 30-50 r/min |
| ND45A | 986mm | 40.5kg | Φ99mm | API2 3/8"REG | ND45A | Φ110-135mm | 1.0-2.2 Mpa | 5m³/min | 9m³/min | 30-60 r/min |
| ND55A | 1122mm | 70kg | Φ126mm | API2 3/8"REG | ND55A | Φ136-155mm | 1.0-2.5 Mpa | 7m³/min | 13m³/min | 30-60 r/min |
The Dth Hammer is widely used across multiple industries where rock breaking and deep drilling are required. Its adaptability and efficiency make it suitable for both large-scale industrial projects and smaller construction operations.
In mining environments, the hammer is used for:
Its ability to maintain fast penetration in dense rock layers makes it ideal for improving mining efficiency and reducing drilling cycle time.
For stone quarry projects, the tool supports:
The stable impact performance helps ensure cleaner boreholes and more accurate rock separation.
In civil engineering applications, the Dth Hammer is commonly used for:
Its low air consumption and consistent output make it suitable for long-duration construction work.
The hammer is also widely applied in deep drilling environments such as:
Its efficient debris discharge system helps maintain smooth drilling even at greater depths.
In challenging environments, the Dth Hammer performs well in:
Its durability and low maintenance requirements make it a reliable choice where equipment downtime must be minimized.
By combining efficiency, durability, and stable energy transmission, the Dth Hammer (Down-The-Hole Hammers) remains an essential tool in modern drilling systems, especially when used within advanced Dth Drilling Rigs setups.
Structural details


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