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18inch Overburden Drilling Systems with Ring Bit

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18inch Overburden Drilling Systems with Ring Bit

China 18inch Overburden Drilling Systems with Ring Bit supplier

Large Image :  18inch Overburden Drilling Systems with Ring Bit

Product Details:

Place of Origin: China
Brand Name: PRODRILL
Certification: ISO:9001, CE
Model Number: 18inch Overburden Drilling Systems

Payment & Shipping Terms:

Minimum Order Quantity: 5 Pcs
Price: $1~$1000/pcs
Packaging Details: WOODEN BOX
Delivery Time: 10 to 15 days
Payment Terms: T/T, L/C, Western Union etc.
Supply Ability: 10000Pcs/Month
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Detailed Product Description
Type: Drill Bit Machine Type: Drilling Tool
Material: Carbide Processing Type: Forging
Use: Well Drilling


Concentric Casing System Ring Bit is the latest new and simple product line designed and manufactured by OCMA DrillTech for drilling through overburden with casing.

It can be used in all ground conditions and drilling applications as: Foundation construction, Piling construction, Water Well and Geothermal, Tunneling and Horizontal drilling.

- Straight Holes and Fast Penetration Rate.
- Less Torque in all ground conditions.
- Easy System to lock and Unlock Ring.
- Drilling at any angle required.
- More Holes and Low investment.

*** Concentric (or Symmetrix) Overburden Casing System with Blocks
Model: 1) Casing Shoe + pilot bit + 2 pcs Blocks; Or
2) Casing Shoe + pilot bit + 3 pcs Blocks; Or
3) Casing Shoe + pilot bit + 4 pcs Blocks.

Concentric (or Symmetric or Symmetrix) Overburden Casing System With Wings
Symmetric or Symmetrix Overburden Casing Drilling System With Wings
Symmetrix Overburden Casing Drilling System With Two Wings

Concentric Overburden Casing System

Advantages – Outstanding:
1. The stable and reliable working performance and the less vibration of drill rig.
2. Flexible to open and close.

Design Principles:
Make the casing follow easy and the equipment and operation simple
The stable and reliable working performance and the less virbration of drill rig.

Operation Procedure:
1. When the drilling starts, the blocks slides down through the grooves on pilot bit, and reams to drive the casing shoes and tubes into the hole.

2. When finished the drilling in overburden rock formations, raise the drilling tools and the blocks will get closed through the grooves, and the drilling tools can be pulled out from the hole.

3. Next construction can be followed.

Product Photos:

Size and Specification:

Dear Sir or Madam: You can order
1) Wings (2pcs) + Locking System + Guide Device = Assembly
2) Or order separately.
3) If you need o. Dia. 178mm or above, we suggest to use our SLIDE BLOCKS model.

Application Range and Examples:
It is recommended to drill in rock formation where contains some ovals and fractures.

The company is responsible for any problem caused by defaulty of material and maching.
The broken parts will be replaced at the sight of photos and product serial code.

Other Structures:
Concentric (or Symmetric or Symmetrix) Overburden Casing System: With ring bits, with wings and with slide blocks.

Welcome your inquiry or question, any need, please contact me.

Best regards

Product Name: Concentric casing system with ring bit & Concentric casing system (Permanent)
Material: carbide
MOQ: 5pcs
Design Principles  Make the casing follow easy and the equipment and operation simple 
Type  Concentric casing system
Application It is recommended to drill in rock formation where contains some ovals and fractures.
Certificate ISO9001   SONCAP 
Outstanding Advantages  The stable and reliable working performance and the less vibration of drill rig and flexible to open and close.


Contact Details
Xiamen Prodrill Equipment Co., Ltd

Contact Person: Mr. Simon Hu

Tel: 86-592-5187313

Fax: 86-592-5162951

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