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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
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
Model Number :
RE 350 Hammers
Certification :
ISO9001:2015
Place of Origin :
Shangdong,China
MOQ :
5PCS
Price :
Negotiation
Payment Terms :
L/C, D/P, T/T, Western Union, MoneyGram, D/A
Supply Ability :
20000PCS Per Month
Delivery Time :
10-25Days
Packaging Details :
Wooden Case/Plate
Product Name :
Reverse Circulation Hammer
Application :
Tunneling,piling,water Well,blasting,quarrying,concrete Drilling
Processing Type :
CNC Milling And Proprietary Heat Treatment Process
Model :
RE 350 DTH Hammer and Button Bit
Bit Diameter: :
7 1/2'' ( 190mm ) Casing
HHammer Type :
DHD360 - 6''
Face :
Drop Center, Concave, Convex, Flat
Use :
Underground Mining
Material :
Tungsten Carbide
Button :
Spherica,parabolic, Ballistic
Color :
Green, Black And Demaned By Customer
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

Contact Person: Tina Yan

Mobile/Whatsapp/Wechat: +86-15035768372
Skype: myqueen323

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
Model Number :
RE 350 Hammers
Certification :
ISO9001:2015
Place of Origin :
Shangdong,China
MOQ :
5PCS
Price :
Negotiation
Contact Supplier
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

KSQ Technologies (Beijing) Co. Ltd

Active Member
6 Years
beijing, beijing
Since 2010
Business Type :
Manufacturer, Distributor/Wholesaler, Exporter, Seller
Main Products :
Rock Drill Bits, Top Hammer Drill Bits, DTH Drill Bits
Total Annual :
4000000-6000000
Employee Number :
50~100
Certification Level :
Active Member
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