As a leading producer of dth machines for stone quarrying, we are committed to providing innovative solutions and high-quality products to our clients across the globe. Our team of experts strives to constantly improve the efficiency and effectiveness of our machines, so that our clients can achieve greater productivity and profitability in their quarrying operations.
We take pride in our state-of-the-art manufacturing facilities, which are equipped with the latest technology and staffed by highly skilled engineers and technicians. Our strict quality control measures ensure that every machine we produce meets the highest standards of performance, durability, and safety.
We are dedicated to providing exceptional customer service and support to all of our clients, from the initial consultation to the installation and maintenance of our machines. We work closely with our clients to understand their unique needs and requirements, and we tailor our solutions to meet those needs.
We believe that our success is measured by the success of our clients, and we are always striving to exceed their expectations. We are committed to our mission of providing reliable, efficient, and cost-effective solutions for stone quarrying, and we look forward to continuing to innovate and improve in the years to come.
Dth Machine details
Original: Quanzhou, China
Certification: ISO9001,CE, SGS and etc.
Price: Negotiable
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 Quarry Drilling Machines – Efficient Rock & Stone Drilling Solutions
A DTH (Down-The-Hole) drilling machine is a specialized rig used in quarries, mining sites, and construction projects for drilling deep and precise holes in hard rock, granite, marble, and reinforced concrete. DTH technology transfers impact energy directly to the drill bit, allowing for fast penetration rates, straight boreholes, and high drilling efficiency, even in challenging geological conditions.
These machines are widely applied in blast hole drilling, stone block separation, anchor hole installation, and wire saw preparation. With proper configuration, DTH rigs can adapt to vertical, horizontal, or inclined drilling, making them highly versatile for modern quarry operations.
How DTH Drilling Machines Work
The key principle behind a DTH drilling rig is that the hammering occurs at the bottom of the hole. Pressurized air or hydraulic force drives the hammer, which repeatedly strikes the drill bit to fracture rock. Meanwhile, rotation of the bit removes the cut material, producing clean, straight, and precise boreholes.
This design minimizes energy loss compared with conventional top-down drilling and reduces wear on the drill string, increasing productivity and lowering operational costs.
Key Features of DTH Quarry Drilling Machines
✔ High Penetration Rate
The DTH hammer directly impacts the rock, enabling rapid drilling in hard stone while maintaining borehole precision.
✔ Deep Hole Drilling Capability
Suitable for blast holes up to 50 meters or more, depending on the rig model, allowing extraction of large stone blocks or structural drilling for construction projects.
✔ Versatile Drilling Angles
Modern rigs can be configured for vertical, horizontal, or angled holes, adapting to quarry bench layouts, cliff faces, or confined spaces.
✔ Durable Industrial Construction
High-strength steel frames, robust hydraulic or pneumatic components, and reinforced drill rods ensure long-term performance in rugged quarry environments.
✔ Integrated Safety & Automation Features
Many rigs include automatic feed control, emergency stops, and adjustable rotation speed to protect operators and extend component life.
✔ Efficient Dust and Debris Removal
Compressor-assisted air flow clears drilled material and prevents overheating, which extends drill bit and machine life.
Typical Applications
Quarry Blast Hole Drilling: For controlled rock fragmentation.
Stone Block Extraction: Preparing holes for wire saws or splitting wedges.
Anchor & Bolting Holes: Stabilization of quarry benches and tunnels.
Concrete & Hard Rock Drilling: For construction or demolition tasks.
Pre-splitting & Slab Cutting: Ensuring straight and uniform stone surfaces.
DTH Drilling Machine Price Factors
DTH rig prices vary according to multiple criteria:
Power Source & Motor Type: Pneumatic, hydraulic, or diesel-driven models differ in cost and performance.
Drilling Diameter & Depth: Larger diameter and deeper drilling capacity usually increases price.
Automation Level: Semi-automatic or fully automatic feed systems and tension controls add value.
Mobility & Installation: Track-mounted, crawler, or portable rigs have different pricing ranges.
Brand & Build Quality: Premium manufacturers charge more for longer-lasting, high-precision rigs.
Typical Price Range
Compact & Portable Models: €1,500–€5,000 - Ideal for small-scale quarry operations or confined spaces.
Mid-Range Hydraulic or Pneumatic Rigs: €5,000–€20,000 - Suitable for medium-sized quarry and construction sites.
High-End Industrial Machines: €20,000–€50,000+ - Designed for heavy-duty mining, deep hole drilling, and continuous operation.
Advantages Over Traditional Drilling
Increased drilling speed with lower energy loss
Straight and precise boreholes for blasting and cutting
Reduced wear on rods and drill bits
Adaptable to different angles and terrains
Better dust and debris control, safer for operators
Enhanced efficiency and reduced operational costs
Packing, Storage, Handling and Transportation
DTH Drilling Machine is packed in polywood case before delivery. It is electronic product, should be stored in a suitable clean and dry place. Storage conditions should preferably be a sheltered environment with limited temperature -15-43 and low humidity levels.
After sales service team
Technical Team
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