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Concentric Overburden DTH Drilling Tools Eccentric Reamer Drill Bits For Hard Rock
Concentric Overburden DTH Drilling Tools Eccentric Reamer Drill Bits For Hard Rock
Concentric Overburden DTH Drilling Tools Eccentric Reamer Drill Bits For Hard Rock
Concentric Overburden DTH Drilling Tools Eccentric Reamer Drill Bits For Hard Rock
Concentric Overburden DTH Drilling Tools Eccentric Reamer Drill Bits For Hard Rock
Concentric Overburden DTH Drilling Tools Eccentric Reamer Drill Bits For Hard Rock
Concentric Overburden DTH Drilling Tools Eccentric Reamer Drill Bits For Hard Rock
Concentric Overburden DTH Drilling Tools Eccentric Reamer Drill Bits For Hard Rock
Concentric Overburden DTH Drilling Tools Eccentric Reamer Drill Bits For Hard Rock
Concentric Overburden DTH Drilling Tools Eccentric Reamer Drill Bits For Hard Rock
Specifications
Brand Name :
Jincheng Drilling Tools
Model Number :
Concentric Overburden Bits
Certification :
ISO9001,CE
Place of Origin :
China(mainland)
MOQ :
3pcs
Price :
Negotiable
Payment Terms :
L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability :
1000000pcs/year
Delivery Time :
3-15days
Packaging Details :
wooden box
name :
Concentric Overburden Bits
length :
as required
factory visit :
support
trial order :
support
color :
blue ,black,customized
package :
wooden box
Description

Concentric Overburden DTH Drilling Tools Eccentric Reamer Drill Bits For Hard Rock

Description
The eccentric reamer drill is an overburden drilling system designed for conditions where a cased hole is required. Collapsing holes tend to make overburden drilling expensive, with lost drilling equipment and down time.
The eccentric designed bit rotates outward and drills a larger diameter hole than the casing, avoiding cave-ins, wash-outs, and other problems common in normal drilling operations in soft and gravel-type strata or loose rock. Since 90% of the world's overburden drilling is in loose strata, potential utilization is enormous.
After reaching the designated depth, the reamer-bit is retracted by reversing the direction of the rotation and by applying tension on the reamer-bit, which has a taper and will retract into the casing for easy removal of the entire drill-string. This leaves the casing in place for other applications or for removal at a later date. The method is designed for use with flush joint threaded pipe or welded-type casing and provides a bit size for a wide variety of different casing wall thicknesses.

Application

Concentric Overburden DTH Drilling Tools Eccentric Reamer Drill Bits For Hard Rock

Concentric Overburden DTH Drilling Tools Eccentric Reamer Drill Bits For Hard Rock

Parametre

Concentric Overburden DTH Drilling Tools Eccentric Reamer Drill Bits For Hard Rock

Concentric Overburden DTH Drilling Tools Eccentric Reamer Drill Bits For Hard Rock

Usage

Concentric Overburden DTH Drilling Tools Eccentric Reamer Drill Bits For Hard Rock

Concentric Overburden DTH Drilling Tools Eccentric Reamer Drill Bits For Hard Rock

Minimum Order Quantity: N/A
Price:
Packaging Details: Standard Export Delivery Package
Delivery Time: 7days
Payment Terms: T/T
Supply Ability: Based on Detailed Order


FAQ
1. Shipping time for an order
We have many stock. As usual, we can delivery the goods as soon as we get the full payment.
2. Quality Control
Strict inspection and testing for every order before shipping out .
3. How can we trust your company?
We support Alibaba trade insurance. Protect products quality, shipment on time and your covered amount.
4. Other Questions?
Please add me on whatsapp or wechat by:+86 13521157051 or send inquiry to sales3@rockdrillingrig.com.

Product tags

drill size for reamer

,

parabolic drill bit

,

impact drill bit set
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Concentric Overburden DTH Drilling Tools Eccentric Reamer Drill Bits For Hard Rock

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Product Detail
Brand Name :
Jincheng Drilling Tools
Model Number :
Concentric Overburden Bits
Certification :
ISO9001,CE
Place of Origin :
China(mainland)
MOQ :
3pcs
Price :
Negotiable
Contact Supplier
Concentric Overburden DTH Drilling Tools Eccentric Reamer Drill Bits For Hard Rock
Concentric Overburden DTH Drilling Tools Eccentric Reamer Drill Bits For Hard Rock
Concentric Overburden DTH Drilling Tools Eccentric Reamer Drill Bits For Hard Rock
Concentric Overburden DTH Drilling Tools Eccentric Reamer Drill Bits For Hard Rock
Concentric Overburden DTH Drilling Tools Eccentric Reamer Drill Bits For Hard Rock

Beijing Jincheng Mining Technology Co., Ltd.

Active Member
7 Years
beijing, beijing
Since 1992
Business Type :
Manufacturer, Seller
Main Products :
Rock Drilling Tools, DTH Drilling Tools, Core Drilling Tools
Total Annual :
30 Million-40Million
Employee Number :
>300
Certification Level :
Active Member
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