Crawler Type Air DTH Hard Rock Drilling Rig High Speed Drilling
The ST-300 Air DTH Hard Rock Drilling Rig is a compact, top-driven, multi-functional drilling solution designed for narrow drilling conditions. Featuring advanced technology, easy operation, high efficiency, and reliability, this rig is widely applied in well drilling, geotechnical drilling, geothermal drilling, mining exploration, and offshore drilling operations.
Powered by pneumatic drill systems driven by air compressors, this DTH crawler drilling rig delivers high drilling speeds even in rock formations with hardness ratings of f=4-20.
| Parameter | Specification |
|---|---|
| The weight | 8T |
| Drilling diameter | 105-300mm |
| Drilling depth | 300m |
| One-time advance length | 4m |
| Walking speed | 2.5km/h |
| Climbing angles | Max. 30° |
| Equipped capacitor | 65-70KW |
| Using air pressure | 1.7-3.0Mpa |
| Air consumption | 17-30m³/min |
| Drill pipe diameter | φ50mm Φ76 mm φ89mm |
| Drill pipe length | 1.5m 2.0m 3.0m |
| Rig lifting force | 12T |
| Swing speed | 45-70rpm |
| Swing torque | 3500-5900N.m |
| Dimension | 4m×1.9m×2.3m |
This drilling rig is ideal for water well drilling, agricultural irrigation wells, geothermal wells, and various other well hole applications. It is particularly suitable for mountain areas and rock stratum water sourcing projects.
- Versatile performance across different geological formations with drilling diameters up to 500mm
- Lightweight, efficient, and versatile drilling hole equipment design
- Advanced hydraulic technology with high torque hydraulic motor rotation and large bore drill hydraulic propulsion
- Branded multi-cylinder engine-powered two-stage air filter system
- Intake air compressor specifically designed for hydraulic systems to extend diesel engine lifespan
- Unique pump design for easy maintenance and reduced maintenance costs
- Centralized hydraulic control console for simplified operation
- Comprehensive technical guidance for all machine-related issues
- 7*24 hours multi-language professional after-sales service support
- Custom construction solutions for different geological conditions
- Long-term availability of all machine accessories and spare parts
We operate a modern production facility in Jinzhou, Shijiazhuang, equipped with advanced CNC machining centers, automated welding systems, and a dedicated testing ground. Our ISO quality management system ensures consistent excellence across every drilling rig we produce.
Jinzhou Shitan Machinery Equipment Co., Ltd. Main Products:
Pneumatic Drilling Rig / Air Drilling Rig(ST-180,ST-200,ST-260,ST-300,ST-350,ST-400,ST450,ST-450,ST-500, ST-600,ST-800 and other Pneumatic water well drilling Rigs.), Crawler Water Well Drilling Rig / Trailer Mounted Drilling Rig / Water Well Drilling Rig / Hydraulic Borewell Machine / Hard Rock Drilling Equipment / Diamond Core Drill Rig / Geological Drilling Rig / Soil Testing Drilling Rig / Portable Water Well Drilling Rig(ST-30,ST-50,XY-1A, XY-1B, XY-2, XY-2B,GK180, GK200, GY150, GY200 and 30 impact drill rig, ZLJ series tunnel drilling rig and other geological drilling machines)Crawler Track Undercarriage, Drilling Mud Pump(BW150,BW160,BW200,BW250,BW850 series Drilling mud pumps), Drilling Air Compressor, Water Well Drill Bits(PDC Drill Bit, Tricone Bit, DTH Button Bit), Water Well Drill Pipe, Drilling Rig Spare Parts( drilling rods , drilling rods joint , casing pipe, casing coupling, core tube, core tube coupling, lifters, automatic drop hammer, sampler, SPT tool, wrench fork, pad fork, lock joint), Track Transporter
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.