Home ProductsOverburden Drilling Systems

Reliable Concentric Symmetrix Drilling System , O.D. 560mm Well Drilling Tools

Reliable Concentric Symmetrix Drilling System , O.D. 560mm Well Drilling Tools

Reliable Concentric Symmetrix Drilling System , O.D. 560mm Well Drilling Tools

Product Details:

Place of Origin: Hunan, China (Mainland)
Brand Name: teamwhole
Certification: ISO9001
Model Number: Concentric casing system

Payment & Shipping Terms:

Minimum Order Quantity: 1 Set
Price: Negotiation
Packaging Details: Wooden outer , and cartons inner
Delivery Time: 15 work days
Payment Terms: L/C, T/T
Supply Ability: 500 Set/Sets per Month
Detailed Product Description
Machine Type: Drilling Tool Material:: Alloy Steel
Processing Type:: Forging, Forging Use: Well Drilling, Water Well Drilling
Wings: 2pcs Drill Pipes: 560mm

Concentric Casing system with wings 
Flexible Permanent Symmetrix(symmetric) Overburden Casing System

General Introduction

Application Range:
Applies to loose covered land surface,such as soil, clay, weathered rock strata,sand and so on.
Design Principles:
1.The locking kits of the spring pin were processed by the heat treatment,which strength the body and extend the service life.
2. Pin structure improved,solved the problem of wings dropped off which cause by spring pin.

Operation Procedure
1.When drilling starts,the wing system drives the casing shoe and casing tube down.
2.When the drilling in overburden formation is finished,revise the rotation and pull the drill rod,Hammer,wing system out from the casing tube.
3.Grouting or continues to next step

4.Using the normal drilling tools to drill and achieve to the desired depth.

Raw Material

first class special alloy steel with high strength, heat resistance and wearable
The best tungsten carbides from China are commonly applied.
Tungsten carbide from European is also available.



  • 1. Drill in overburden unstable rock.
  • 2. One step to drill and follow casing
  • 3. Flexible to open or close.
  • 4. Long service life
  • Reliable Concentric Symmetrix Drilling System , O.D. 560mm Well Drilling Tools


Quality Warranty

Our company response for any quality problem caused by material or machining defect.


It is suitable for drilling water wells,geothermal wells, short micropiles medium mini-type grouting hole of building, dam and harbor project.

Our Service

Teamwhole offers the market most comprehensive range of DTH hammers. There are hammer solutions for water well drillers, miners and quarry drillers as well as for contractors in construction, oil and gas. Teamwhole's DTH hammers are available in holes sizes from 3.5 to 48 inches in diameter.
Teamwhole's flexible and stable ODEX system wins great reputation in users. Reliable quality,innovative design and professional service ensure the fulfill of many projects.
We even offer reverse circulating RC hammers for exploration. We are the earliest in China for RC since 2004. Now the RC hammer and bits are delivered to Australia,South Africa,Russia and Mongolia in large scales.
More than 30 experts supports the technology and enhance the development.
Offer the guide service for assembly and problem-analyse service during using.


Northern Europe: foundation, piling
Western Europe: water well and geothermal drilling
Russia: Oil, infrastructure and mining.
South east asia: mining and geothermal
South Africa: mining and water well drilling
Middle east: water well drilling
Oceania: mining, exploration and water well drilling
South America: water well drilling and mining

Contact Details
Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.

Contact Person: Ms.chen

Send your inquiry directly to us (0 / 3000)