The ROSCHEN ROS60 Reverse Circulation (RC) DTH Hammer is a
high-performance down-the-hole drilling tool engineered
specifically for deep hole drilling applications in mining
exploration, quarry operations, and water well construction.
Designed to deliver superior energy transfer and efficient sample
retrieval, this reverse circulation hammer enables continuous core
sampling without cross-contamination between geological formations.
The RC hammer utilizes a dual-wall drill pipe system that channels
compressed air down the annulus and returns cuttings through the
center of the hammer, ensuring high sample integrity and accurate
geological analysis. Compatible with Epiroc and Atlas Copco
drilling systems, the ROS60 RC hammer provides an economical
alternative to OEM equipment while maintaining rigorous quality
standards and delivering exceptional value in demanding drilling
conditions.
Key Features- Reverse Circulation Technology: Advanced dual-wall system returns cuttings through the hammer
center, delivering up to 98% sample recovery rates with minimal
contamination for reliable geological assessment and ore grade
analysis.
- High Pressure Performance: Operates efficiently across a wide pressure range from 1.0 to 2.5
Mpa, delivering consistent impact energy at depths exceeding 500
meters in hard rock formations including granite and basalt.
- Optimized Impact Mechanism: Valveless piston design maximizes energy transfer to the drill
bit, achieving 820-1475 blows per minute with air consumption as
low as 10 m³/min at 1.0 Mpa for energy-efficient operation.
- Multi-Brand Compatibility: Interchangeable with Epiroc, Atlas Copco, DHD360, COP64, QL60,
SD6, and Mission 60 hammer series by changing only a few basic
components, significantly reducing spare parts inventory costs.
- Heavy-Duty Construction: Manufactured from high-grade alloy steel with precision CNC
machining and multiple heat treatment cycles, ensuring extended
service life in abrasive drilling conditions with minimal wear on
internal components.
- Easy Field Maintenance: Simple internal structure allows quick disassembly and component
replacement directly on the drill site, minimizing downtime and
keeping drilling operations running at peak productivity.
Technical Specifications| Parameter | Specification |
|---|
| Hammer Model | ROS60 Reverse Circulation DTH Hammer |
| Hammer Length | 1450 mm |
| Outside Diameter | 142 mm |
| Drilling Diameter Range | 152-190 mm (6 inch) |
| Working Pressure | 1.0-2.5 Mpa |
| Air Consumption at 1.0 Mpa | 10 m³/min |
| Air Consumption at 1.8 Mpa | 20 m³/min |
| Air Consumption at 2.4 Mpa | 28.5 m³/min |
| Impact Frequency | 820-1475 times/min |
| Connection Thread | API 3 1/2" Reg |
| Bit Shank Compatibility | DHD360, COP64, QL60, SD6, Mission 60 |
| Face Design Options | Flat Face, Convex Face, Concave Face |
| Weight | 126 kg |
| Recommended Rotation Speed | 15-25 r/min |
ApplicationsThe ROSCHEN ROS60 Reverse Circulation DTH Hammer is ideally suited
for mineral exploration drilling where high-quality uncontaminated
samples are critical for accurate ore grade assessment and resource
estimation. In deep hole drilling scenarios exceeding 200 meters,
the reverse circulation system ensures consistent sample retrieval
without the hole collapse issues commonly encountered in
conventional open-hole drilling methods. This hammer performs
exceptionally well in hard rock formations including granite,
basalt, quartzite, and iron ore deposits, delivering reliable
penetration rates even in the most challenging geological
conditions. It is also widely used in water well drilling projects
requiring precise formation logging, geothermal exploration
programs, and geotechnical investigation where formation integrity
data is essential for engineering design decisions. The hammer
supports both dry and wet drilling configurations, with wet mist
injection available for effective dust suppression in
environmentally sensitive locations where airborne particulates
must be controlled. For deep exploration drilling programs spanning
multiple geological zones, the ROS60 RC hammer provides the
versatility and reliability that professional drilling contractors
demand.
Packaging and Quality AssuranceEach ROS60 Reverse Circulation DTH Hammer undergoes rigorous
quality inspection and performance testing before shipment,
including dimensional verification against engineering
specifications, hardness testing of critical wear surfaces, and air
flow calibration to ensure optimal operating efficiency. Products
are securely packaged in export-grade polywooden boxes with
custom-cut protective foam inserts to prevent any movement or
impact damage during international transit and handling. Every
shipment includes a detailed quality inspection certificate,
comprehensive operation manual, and illustrated spare parts catalog
for convenient reference. ROSCHEN provides dedicated after-sales
support including technical consultation by experienced engineers,
genuine spare parts supply from factory inventory, and warranty
coverage against manufacturing defects under normal operating
conditions. Our ISO certified manufacturing facility adheres to
strict quality control protocols throughout the entire production
process, from incoming raw material inspection through final
assembly and testing. For bulk procurement orders, customized
packaging configurations and private labeling options are available
upon request to meet specific distributor and end-user
requirements.
With over two decades of specialized experience in rock drilling
tool manufacturing, ROSCHEN has established a trusted global
distribution network serving mining companies, drilling
contractors, and equipment distributors across more than 50
countries worldwide. Our unwavering commitment to continuous
product improvement and complete customer satisfaction drives every
hammer we deliver. Contact our technical sales team today to
discuss your specific drilling requirements and receive a
customized quotation tailored to your project parameters and
operational needs.