DTH drilling tools

DTH Hammer

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

 

Applications of Dth Hammer

 

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.

 

1. Mining Engineering

 

In mining environments, the hammer is used for:

  • Blast hole drilling in open-pit mines
  • Hard rock excavation and ore extraction
  • Pre-splitting and controlled blasting operations

Its ability to maintain fast penetration in dense rock layers makes it ideal for improving mining efficiency and reducing drilling cycle time.

 

2. Quarrying Operations

 

For stone quarry projects, the tool supports:

  • Dimension stone extraction
  • Limestone, granite, and basalt drilling
  • High-precision hole formation for splitting and cutting

The stable impact performance helps ensure cleaner boreholes and more accurate rock separation.

 

3. Construction and Infrastructure Projects

 

In civil engineering applications, the Dth Hammer is commonly used for:

  • Foundation drilling for bridges and buildings
  • Road and tunnel construction
  • Slope stabilization and anchoring systems

Its low air consumption and consistent output make it suitable for long-duration construction work.

 

4. Water Well and Geothermal Drilling

 

The hammer is also widely applied in deep drilling environments such as:

  • Water well drilling in hard rock formations
  • Geothermal energy exploration
  • Groundwater development projects in remote areas

Its efficient debris discharge system helps maintain smooth drilling even at greater depths.

 

5. Special Geological Conditions

 

In challenging environments, the Dth Hammer performs well in:

  • Fractured and abrasive rock formations
  • High-resistance geological layers
  • Remote and low-resource drilling sites

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

DTH HammerDTH Hammer

Related Products

  • DTH bits

    DTH bits

  • DTH drill rod

    DTH drill rod

    Usage:

    42mm, 50mm, 60mm dth drill pipe is mainly used on our XDQ70 and XDQ100 portable dth drilling rig for 50mm -130mm diameter,5-30m depth slope protection project hard rock drilling, or open-pit mine blasting hole hard rock drilling. They also used on soil drilling which weld auger vane on the pipe outside with three-wings bit drilling .

  • Water well drill pipe

    Water well drill pipe

    Standard DTH drill pipe:

    Diameter: 76mm, 89mm, 102mm, 114mm, 127mm, 140mm;

    Length: 1000mm, 1500mm, 2000mm, 3000mm, 5000mm, 6000mm;

    Thread: 2 3/8” API REG, 2 7/8” API REG, 3 1/2” API REG, 4 1/2” API REG,

                   2 3/8 API IF, 3 1/2 API IF

    Pipe body : cold draw seamless pipe . so the pipe have the accurate size , good centralizer. 

    Thread connector :Heat and Nitrogen treatment , so the pipe is more durable and easier to load and unload .

    Friction welding .

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Phone: +86 189 8659 6914

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Email: sales@xingdamachinery.com

ADD: No 7and 8 Factory, #9 Bingang Road, Ezhou, Hubei Province, China

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