• Model NO.：HFH680
• Type：DTH Drilling Rig
• to Adapt to The Rock Hardness：6~20
• Power Type：Diesel
• Drill Diameter：90~165mm
• Walking Speed：2~3km,H
• Rotary Torque：3500nm
• Host Power：70-90kw
• Drilling Depth：30m
• Ground Clearance：400mm
• Main Power：70-90kw
• Air Consumption：14~35m3,Min
• Transport Package：Standard Export Packing or as You Needs
• Specification：6100*2250*2500mm
• Trademark：HF
• Origin：Zhengzhou City
• HS Code：8430490000
• Production Capacity：20 Sets Per Month

Basic Info.

Model NO. HFH680 Type DTH Drilling Rig to Adapt to The Rock Hardness 6~20 Power Type Diesel Drill Diameter 90~165mm Walking Speed 2~3km/H Rotary Torque 3500nm Host Power 70-90kw Drilling Depth 30m Ground Clearance 400mm Main Power 70-90kw Air Consumption 14~35m3/Min Transport Package Standard Export Packing or as You Needs Specification 6100*2250*2500mm Trademark HF Origin Zhengzhou City HS Code 8430490000 Production Capacity 20 Sets Per Month

Product Description

Product Description                                                           

In line with the continuous pursuit of technology, Through long-term research and development of rock drilling machinery products, Hanfa Group has developed a more economical, efficient, simple and reliable crawler open-hole drilling vehicle to adapt to the market development direction.It has been widely used in mining, urban construction and other fields.

1.Gear pump:American PERMC0 gear pump, high E resistance, high volume efficiency.

2.Walking motor:Korea JESUNG, two-speed walking horse, Da, excellent mobility, high climbing ability.

3.Control valve:High performance hydraulic control valve, operating, light, low failure rate.

4.Engine:Turbocharged engine, low speed, high torque, economy and efficiency.(Cummins engine and Yuchai engine are available).

5.Coupling:German CENTA high elastic coupling, high transmission efficiency, long life.
Technical Data                                                                   

To adapt to the rock hardness	6~20
Diameter of bore(mm)	90~165
Economic drill depth(m)	30
Stand-alone grade ability(degree)	30
Propulsion mode	The motor chain propulsion
Feeding stroke(m)	4150
Maximum lift capacity(kN)	35
Rotary torque(N.m)	3500
Rotary speed(r/min)	0~120
Work pressure(KPa)	1~2.4
Air consumption(m3/min)	14~35
Main Power(kw)	70(General)/90(Optional)
Drill arm horizontal pendulum Angle(degree)	left45 /right45
Walking speed(km/h)	2~3
Ground clearance(mm)	400
Dimensions(mm)	6100*2250*2500
Weight(kg)	6500

Working Site                                                                     



Company Introduction                                                    
Hanfa Group established in 1998 is a key enterprise in the industry of geological exploration and water well field, with the ability to research,manufacture and market. Now, the Group pursues high standard manufacturing and qualified products. It has more than 20 species such as water well drilling rig, core drilling rig, engineering drilling rig, DTH drilling rig,
horizontaldirectional drilling rig, etc. These machines are mainly used in geological prospecting, exploration of railway and
highway engineering, mining, SPT, water well, geothermal well etc. Some of them won the Scientific and Technical Advance Prize or the National Scientific Research Achievement Prize. All the products have passed the quality system certification of ISO9001:2000 and are national inspection-free products.





1. More than 30 years of experience 
The factory is located in Henan Province, China. We are very welcome to visit our factory. If
you need it, we will arrange a pick-up.
2.Top production team 
The transportation and packaging will be packaged in international standards. If you have special packaging requirements, we will give you the most suitable solution.
3.Our Service 
- New machine provides technical trair.
- Once anything goes wrong with the machine by normal using, our technical person must appear at the first time no matter where you are.
- When the machine should be maintained, you will receive the reminding from us.
- According to different geological conditions, we will recommend different construction plans for you
- Remind you which are wearing parts, so you can prepare enough.
- 24 hours respond to your quality problem.


FAQ                                                                                  
1, Are you trading company or manufacturer?

We are professional manufacturer, and our factory mainly produce water well drilling rig, core drilling rig, DTH drilling rig, piling rig, etc. Our products have been exported to more than 50 countries of Asia, South America, Africa, and get a good reputation in the world.

2, Are your products qualified?
Yes, our products all have gained ISO certificate,and we have specialized quality inspection department for checking every machine before leaving our factory.

3, How about your machine quality?
All of our machines hold the ISO, QC and TUV certificate, and each set of machine must pass a great number of strict testing in order to offer the best quality to our customers.

4, Do you have after service?
Yes, we have special service team which will offer you professional guidance. If you need, we can send our engineer to your worksite and provid the training for your staff.

5, What about the qaulity warranty?
We offer one-year quality warranty for machines' main body.

6, How long can you deliver the machine?
Generally, we can deliver the machine in 7 days.
Our Customers