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7 1/2'' 190mm Symmetric Overburden Casing Drilling System Casing Drill Bit
7 1/2'' 190mm Symmetric Overburden Casing Drilling System Casing Drill Bit
7 1/2'' 190mm Symmetric Overburden Casing Drilling System Casing Drill Bit
7 1/2'' 190mm Symmetric Overburden Casing Drilling System Casing Drill Bit
7 1/2'' 190mm Symmetric Overburden Casing Drilling System Casing Drill Bit
7 1/2'' 190mm Symmetric Overburden Casing Drilling System Casing Drill Bit
Specifications
Brand Name :
MIROC down the hole hammer drill tool
Model Number :
DTH Button Bit
Certification :
ISO9001
Place of Origin :
China
MOQ :
1 Pieces DTH Button Drill Bit
Price :
Negotiation
Supply Ability :
20000 pieces per month
Delivery Time :
25 days
Packaging Details :
Carton Box or Wooden Box
Name :
overburden casing drilling system casing drill bit
Application :
Water Well Drilling, Quarry Drilling, Construction Rock Drilling
Drill Method :
concentric casing drilling
Hammer Type :
DHD360 - 6''
Diameter :
7 1/2'' ( 190mm ) casing
Face :
Drop center, concave, convex, flat
Button :
spherica,parabolic, ballistic
Process :
Forging
Color :
Green Blue Or Based On Demand
Description

7 1/2'' 190mm Symmetric Overburden Casing Drilling System Casing Drill Bit

Product Description

Symmetric is a system comprised of an ingeniously simple concentric method of drilling through overburden with casing. Symmetric can drill straight holes at any angle (including horizontal) and to depths beyond 100 meters. Working together as one efficient drill bit, the components are made up of:


A pilot bit with large internal flushing holes and external flushing grooves.
Symmetrical ring bit (reamer) with internal bayonet coupling
Casing shoe for driving of casing.


The pilot bit is attached to any common DTH hammer shank or top hammer rod thread.The below size of Symmetric systems which are available, and the special design is upon customer’s requirement:
Symmetric 114, Symmetric 127, Symmetric 140, Symmetric 146, Symmetric 168,
Symmetric 178, Symmetric 195, Symmetric 219, Symmetric 243, Symmetric 273.

Specification

Casing outer dia.(mm) Casing thickness(mm) Ring bit dia.(mm) Max.dia. of normal bit(mm)

Suitable hammer

(inches)

 Retrievable
114 10 126 84 3.5 No
122 Yes
127 10 142 93 3.5 No
135 Yes
140 10 161 97 4 No
148 Yes
146 10 165 110 4 No
154 Yes
168 12 188 127 5 No
180 Yes
178 12.7 196 131 5 No
185 Yes
194 12.7 214 145 6 No
202 Yes
219 12.7 243 170 6 No
228 Yes

7 1/2'' 190mm Symmetric Overburden Casing Drilling System Casing Drill Bit

Our Factory

Product tags

casing drilling bit

,

casing drilling system

,

drilled shaft casing
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7 1/2'' 190mm Symmetric Overburden Casing Drilling System Casing Drill Bit

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Product Detail
Brand Name :
MIROC down the hole hammer drill tool
Model Number :
DTH Button Bit
Certification :
ISO9001
Place of Origin :
China
MOQ :
1 Pieces DTH Button Drill Bit
Price :
Negotiation
Contact Supplier
video
7 1/2'' 190mm Symmetric Overburden Casing Drilling System Casing Drill Bit
7 1/2'' 190mm Symmetric Overburden Casing Drilling System Casing Drill Bit
7 1/2'' 190mm Symmetric Overburden Casing Drilling System Casing Drill Bit

KSQ Technologies (Beijing) Co. Ltd

Verified Supplier
12 Years
beijing, beijing
Since 2009
Business Type :
Manufacturer, Exporter
Main Products :
Rock Drilling Tools, DTH Drilling Tools, Button Drill Bit
Total Annual :
3000000-5000000
Employee Number :
50~100
Certification Level :
Verified Supplier
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