Dong Heng 350
ISO 9001:2000
New
AC Motor
>200m
Diamond Bit
Rotary
Crawler
Yunnei Power 410892kw
DONGHENG
Container
3900*1850*2450
Linyi, Shandong Province, China
8430419000
Product Description
DH-350 series technical parameters have been completely upgraded | ||
Technical Parameter | unit | DH350 |
Maximum drilling depth | M | 350 |
Bore Diameter | mm | 105-273 |
Recommended Working Air Pressure | Mpa | 1.2-3.5 |
Drill Rod Length | m | 3-6meter |
Recommended Drill Rod Diameter | mm | 89-114 |
Axial Pressure | T | 5 |
Lifting Force | T | 16 |
Power Head Stroke | M | 6.6 |
Maximum Rotational Torque | Nm | 8500 |
Maximum Rotational Speed | r/min | 100-320 |
Winch Lifting Force | T | 1.5 |
High Leg Stroke | M | 1.5 |
Travel Speed | KM/H | 4.5 |
Climbing Ability | slope | 24 degrees |
Machine Weight | T | 8 |
Engine | Yunnei Power 410892KW | |
Oil Pump | 40/40/20 | |
Overall Dimensions | mm | 3900(4350)+1850+2450 |
Operating Conditions | Loose layer and bedrock | |
External Feeding Method | Hydraulic rotary, down-the-hole hammer or mud drilling |








FAQ:
1. Are you exact manufacturer or just trading company?
We are both, we have our own factory. And also have many long-relationship factories.
2.What is your minimum order quantity?
Our MOQ are 1pc or 1 complete set, the price may rely on the order quantity. We are welcome your sample order to testing our quality.
3. Can you accept OEM & ODM?
Yes, both of them are acceptable,.Please tell us your requirements or design drawings kindly.
As we have our own R&D team and the team leader is Dr.Zhao mingchun who has been always
in the material research and drawing design of drilling tools for 25 years. And he had designed
the world's biggest top hammer bit and DTH hammer bit, highly praised by the users.
4. How about the delivery time?
It depends, generally it takes about 15-25. If have stocks, Usually only 5-10 days if in stock.
5. Can I have a visit to your factory before the order?
Sure, welcome, kindly contact us for address details and time schedule.