| After-sales Service: | Support |
|---|---|
| Warranty: | One Year |
| Certification: | CE, ISO 9001:2008 |
| Condition: | New |
| Motor: | Diesel Engine |
| Drill Hole Diameter: | 90-320mm |
| Customization: |
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Suppliers with verified business licenses
Audited Supplier SD-720 surface down-the-hole drilling rig further optimizes the product design, with compact structure, easy operation and excellent performance. The hemmed crawler frame and engineering four-wheel belt, the crawler tracks are leveled, and the guide rails are installed at an angle. Every optimization and upgrade is carefully thought out from the user's perspective. It can drill vertical, inclined and horizontal holes, and is used for drilling blast holes and pre-splitting holes in open pit mines and quarrying stone works.Main features:
1. It walks powerfully and can drag the air compressor uphill easily.
2. Humanized integrated operation platform, easy to use and operate.
3. Well-designed cover has beautiful appearance and easy maintenance.
4. Dual-motor rotary power head, compact structure, double hydraulic speed, wide range of hole diameters, easy to deal with drill stuck.
Technical Parameters:
| Supporting power | Yuchai 73.5KW |
| Drilling diameter | 90~320mm |
| Depth of economical drilling | 50m |
| Drill rod | Φ76mm x 3m |
| DTH hammer | 4''/5''/6'' |
| Working pressure | 1.0~2.4Mpa |
| Air consumption | 14~30m³/min |
| Max. rotary torque | 6000N.m |
| Rotary speed | 0~180r/min |
| Lifting force | 35Kn |
| Method of feed | Cylinder/chain |
| Travelling speed | 0~3km/h |
| Climbing capacity | 30° |
| Ground clearance | 430mm |
| Rock hardness | F=6-20 |
| Volume of diesel oil tank | 100L |
| Method of dust collecting | (optional) |
| Weight | 6190kg |
| Dimension | 6000x2270x3000mm |
| Note: The Company's products continued to improve; various design and technical specifications may change at any time, without any additional notice or obligation. | |
1. our packing is standard export package.
2. the machine could be loaded into 20' container.
3. our delivery time is 10-15 days after receiving the order.
1. Professional pre-sale service
We provide you with the preliminary planning, preliminary planning, equipment selection, product design, product introduction, question answering, technical support, customized services, etc.
2. Quality Assurance Service
We have established a dedicated quality inspection department, and each equipment must undergo strict inspection before leaving the factory to ensure the normal operation of the machine.
3. Guaranteed after-sale service
We provide one year quality warranty service, customers enjoy lifelong VIP services, including online technical guidance and training service, etc.
Henan Songte Machinery Co., Ltd is the leading machinery manufacturer and foreign trading enterprise in China, is the integrity of scientific research and development (R&D), manufacturing, technical service and oversea trading of high quality drilling equipment company, the main products are water well drilling rigs, rotary piling machine, solar pile driver, core drilling rig, DTH drilling rig, anchor drilling rig, engineering drilling machines, etc.
The company has a complete range of high-precision machining machines and testing equipment, providing a strong and powerful quality guarantee for the production of high-quality products. With rich R&D and production experience, excellent talent team, as well as strong product innovation ability and production scale, we have created a batch of products with excellent performance and excellent quality, which are highly praised by the majority of users and quickly sold worldwide, and have attracted widespread attention in the international market with good brand effect. The company's products are exported to more than 50 countries and regions around the world, including the United States, Australia, Canada, Chile, Brazil, South Africa, Kenya, the Philippines, Malaysia, and South Korea, etc.
1. Why choose us?
We have been researching and producing drilling rigs for 20 years, our products have the characteristics of large torque, high drilling efficiency, economic cost, low failure rate, well received by customers.
2. How can you guarantee quality?
Always a pre-production sample before mass production;always final inspection is done before shipment; and our main machine has one-year warranty, we also have special technical service team which will provide you professional guidance.
3. Can you do OEM for me?
We accept OEM orders, just contact us and give your design. We will offer you a reasonable price and make the machine according to your demands.
4. What payment term do you accept?
We can accept T/T, L/C, western union, money gram, paypal, etc.
5. Do you have any certificates for your machine?
Yes, our machines have gained the certificates of CE, ISO, QC, etc.
6. How long can you deliver the machine?
Generally, we can deliver the machine in 7~20 days.
Suppliers with verified business licenses
Audited Supplier 
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