Dth Pneumatic Rock Drill

Name: Dth Pneumatic Rock Drill - China Dth Pneumatic Rock Drill Manufacturers Suppliers Factory
Brand: TOOLWITS
SKU: 172393592

A DTH Pneumatic Rock Drill (Down-The-Hole pneumatic rock drilling machine) is a powerful drilling solution designed for stone quarrying, mining, pre-splitting, foundation work, and hard rock drilling operations. It uses compressed air to drive a DTH hammer directly behind the drill bit, maximizing impact energy and delivering fast, accurate, and deep hole drilling even in very hard stone formations like granite, marble, limestone, and basalt.

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Description

At our company, we are proud to produce top-quality Dth Pneumatic Rock Drill. Our team of skilled professionals works tirelessly to ensure that each and every drill is of the highest standard, built to withstand even the toughest rock and soil conditions.

We take great pride in our work, and for good reason - our Dth Pneumatic Rock Drill is a reliable and efficient tool that can help your team get the job done quickly and effectively. Whether you are working on an excavation site, a quarry, or a mining operation, our drill can provide you with the power and precision you need to get the job done right.

We have good quality DTH pneumatic rock drill. When the pushing work moves the lever to contact with the holder, a drill pipe is drilled. To stop the motor running and stop the blower to send air, water, the fork inserted into the drill holder drill groove, the motor reversing slide back, so that the joint and the drill pipe disconnected, then the second drill pipe, press Here you cycle to work continuously.

Dth Pneumatic Rock Drill Details

Application: in granite or marble quarry exploiting, hole drilling and etc.

Original: Quanzhou, China

Certification: ISO9001,CE, SGS and etc.

Price: Negotiable

Material: steel and Pneumatic drive

Voltage: 380V 50Hz, the voltage can be as local demand

Payment term: TT, LC

Delivery date: Negotiable

Packing: export standard

Market: Southeast Asia/Middle East/ Africa/South America/Europe/North America

Warranty: 1 year

MOQ: 1 set

DTH Pneumatic Rock Drill – Heavy-Duty Quarry & Stone Drilling Machine

A DTH Pneumatic Rock Drill (Down-The-Hole pneumatic rock drilling machine) is a powerful drilling solution designed for stone quarrying, mining, pre-splitting, foundation work, and hard rock drilling operations. It uses compressed air to drive a DTH hammer directly behind the drill bit, maximizing impact energy and delivering fast, accurate, and deep hole drilling even in very hard stone formations like granite, marble, limestone, and basalt.

What Is a DTH Pneumatic Rock Drill?

A DTH (Down-The-Hole) Pneumatic Rock Drill combines high-frequency percussive force with compressed air power to break and penetrate hard rock efficiently. Unlike top-hammer drills where impact energy travels down the drill string, DTH drills place the hammer right at the bit, reducing power loss and improving drilling speed. This makes them especially effective for deep, straight boreholes needed in quarries or pre-splitting for stone extraction.

Key Features & Advantages

✔ High Drilling Penetration & Efficiency

The direct DTH impact design delivers strong percussive force, allowing for faster drilling speeds and deep borehole capability in solid stone.

✔ Accurate & Straight Hole Drilling

DTH systems maintain excellent alignment for vertical, horizontal, and inclined holes, critical for precise block separation and guide hole creation in quarry workflows.

✔ Durable & Robust Construction

Built with industrial-grade steel frames and wear-resistant components, these drills are capable of continuous heavy-duty operation in harsh quarry conditions.

✔ Multi-Angle Drilling Capability

Supports drilling at various angles-vertical, horizontal, and inclined-to adapt to different drilling strategies and quarry layouts.

✔ High Air Flushing & Cooling

Compressed air flushes cuttings out of the hole while cooling the bit, reducing wear and maintaining consistent drilling performance.

✔ Easy Operation & Maintenance

Pneumatic DTH drills are simple to operate, compatible with standard air compressors, and designed for easy maintenance, reducing downtime and operating costs.

Applications

DTH Pneumatic Rock Drills are essential in:

Stone quarry drilling for block separation and extraction

Pre-split and guide hole drilling for wire saws and secondary cutting

Mining and blast hole drilling in hard rock formations

Foundation drilling and anchor hole creation

Geological exploration and core drilling operations

They are especially valuable in granite and marble quarries where precision and drilling depth are critical.

How DTH Pneumatic Drilling Works

Compressed Air Supply:
The machine connects to an air compressor that supplies high-pressure air.

DTH Hammer Activation:
The air powers a hammer placed just above the drill bit, creating powerful percussive strikes.

Drill Rotation & Penetration:
The drill bit rotates and advances into the rock face, breaking material efficiently.

Air Flushing & Debris Removal:
The compressed air flushes cuttings upward out of the borehole, keeping the cutting face clean for optimal performance.

This method minimizes energy loss compared to traditional top-hammer drilling and produces deep, straight, high-quality holes with less deviation.

Typical Technical Specifications

(You can customize this section based on your exact product data.)

Drilling Diameter: 50–130 mm or more

Maximum Drilling Depth: Up to 30–40 m depending on model

Air Pressure: 0.5–0.7 MPa (typical)

Air Consumption: 7–14 m³/min (varies by configuration)

Drilling Speed: 6–8 m/h in hard stone conditions

Drill Directions: Vertical / horizontal / inclined

Drive Type: Pneumatic DTH hammer

These parameters ensure the machine can handle heavy-duty drilling tasks in quarry and construction environments.

Advantages Over Traditional Drilling

Feature	DTH Pneumatic Rock Drill	Traditional Drill
Energy Transfer Efficiency	High (direct hammer at bit)	Lower (energy lost along drill string)
Hole Depth Capability	Deep drilling possible	Limited depth
Drilling Precision	Excellent straight holes	More deviation
Hard Rock Performance	Excellent	Moderate