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Brand Name : MIROC
Model Number : Overburden Drill Bit
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 : Overburden drilling system
Application : Construction works , Energy & Mining
Processing Type : Forging
Min.casing ID : 195mm
Max.casing ODr : 219mm
Shank : DHD360
Reaming Dia : 230-250mm
Face : Drop Center, Concave, Convex, Flat
Material : Carbon Steel
Color : Green, Black And Demaned By Customer
195mm 219mm Symmetrix Overburden Drilling Systems Steel Casing Tube Odex DTH 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 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 |
Contact Person: Tina Yan
Mobile/Whatsapp/Wechat: +86-15035768372
Skype: myqueen323
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195mm 219mm Symmetrix Overburden Drilling Systems Steel Casing Tube Odex DTH Bit Images |