Overburden Eccentric Casing Drilling System Rock Drilling Tool
Model NO.
219mm -Eccentric Casing System
Max Od of Guide Device
203mm
Match Hammer
DHD350 Ql50 HD55
Max Reamed Diameter
237mm
Casing Tube Outer Diameter
219mm
Inner Diameter of Casing Shoe
193mm
Face Design Flat
Convex;Concave
Transfer
Air/Sea/Express
Application
Coal Mining,Quarry Drilling,DTH Drilling
Product Name
Eccentric Casing System
Transport Package
Wooden Box or as Customers Inquire
Trademark
SANROCK
Origin
Zhejiang, China
Production Capacity
8000pieces/Month
Reference Price
$ 1,224.00 - 1,247.40
Description
Product Description
It is suitable for drilling water wells, geothermal wells, short mircopiles ,medium mini-type grouting hole of building,dam and harbour project.
Design Principles: Make the casing follow easy and the equipment and operation simple.
Outstanding Advantages:Simple structure, easy operation, reliable quality, retrievable drilling tools, and long service life.
Operation Procedure:
1. When drilling starts , the reamer swings out and reams the pilot-hole wide enough for the casing tube to slide down behind the drill bit assembly .
2. When the required depth is reached , rotation is reversed carefully, whereupon the reamer swings in , allowing the drill bit assembly to be pulled up through the casing.
3. Casing tubes that are to be left in the drill hole should be sealed at the bottom of the hole by means of cement grout or some other sealing agent.
4. Drilling continues to the desired depth in the bedrock using a conventional drilling.
DTH drilling rig,water well drilling rig,truck mounted water well drilling rig,screw air compressor,piston air compressor,pneumatic rock drill ,drill bit,Tricone bit ,DTH hammer,drill rod,spare parts
2.How can I make payment?
A: You can pay directly online on Alibaba with credit card, or TT, Western Union, LC etc.
3. How is the shipment? How long dose it take?
A: For large quantity or heavy products, we ship by sea shipping or land shipping. Shipping efficiency depends on country and city you want to ship to. For small and delicate products, we ship by DHL, UPS, Fedex or TNT.You can also appoint shipping method you like before we ship.
4.How is your quality control?
A: We have our own experienced QC.There will be strict inspection and testing for every order before shipping out.
5.Do you have any certificate of authorization?
A: Our machinery is CE certified.
Design Principles: Make the casing follow easy and the equipment and operation simple.
Outstanding Advantages:Simple structure, easy operation, reliable quality, retrievable drilling tools, and long service life.
| Brand Name |
Sanrock
|
|
Type
|
DRILL BIT
|
|
Machine Type
|
Drilling Equipment
|
|
Material
|
Tungsten Carbide, High Manganese Steel
|
|
Process
|
Casting+machining+heating Treatment
|
|
Use
|
Well Drilling
|
|
Product name
|
Eccentric Casing System
|
|
Application
|
Coal Mining,Quarry drilling,DTH drilling
|
|
Advantage
|
High Performance
|
|
Item
|
Essentric Overburden Drilling System
|
|
Match Hammer
|
DHD350 QL50 HD55
|
|
Process
|
Casting+machining+heating Treatment
|
|
Inner diameter of Casing Shoe
|
193mm
|
| Casing Tube Outer diameter | 219mm |
| Max Reamed diameter |
237mm
|
| Max OD of guide device | 203mm |
|
Drill Pipe
|
89/114mm
|
1. When drilling starts , the reamer swings out and reams the pilot-hole wide enough for the casing tube to slide down behind the drill bit assembly .
2. When the required depth is reached , rotation is reversed carefully, whereupon the reamer swings in , allowing the drill bit assembly to be pulled up through the casing.
3. Casing tubes that are to be left in the drill hole should be sealed at the bottom of the hole by means of cement grout or some other sealing agent.
4. Drilling continues to the desired depth in the bedrock using a conventional drilling.
1.What can you buy from us?
DTH drilling rig,water well drilling rig,truck mounted water well drilling rig,screw air compressor,piston air compressor,pneumatic rock drill ,drill bit,Tricone bit ,DTH hammer,drill rod,spare parts
2.How can I make payment?
A: You can pay directly online on Alibaba with credit card, or TT, Western Union, LC etc.
3. How is the shipment? How long dose it take?
A: For large quantity or heavy products, we ship by sea shipping or land shipping. Shipping efficiency depends on country and city you want to ship to. For small and delicate products, we ship by DHL, UPS, Fedex or TNT.You can also appoint shipping method you like before we ship.
4.How is your quality control?
A: We have our own experienced QC.There will be strict inspection and testing for every order before shipping out.
5.Do you have any certificate of authorization?
A: Our machinery is CE certified.
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