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146mm Symmetric Concentrix Ovburden Drilling Tools
146mm Symmetric Concentrix Ovburden Drilling Tools
146mm Symmetric Concentrix Ovburden Drilling Tools
146mm Symmetric Concentrix Ovburden Drilling Tools
146mm Symmetric Concentrix Ovburden Drilling Tools
146mm Symmetric Concentrix Ovburden Drilling Tools

146mm Symmetric Concentrix Ovburden Drilling Tools

Min.Order: 3
Product origin: Xiamen, Fujian, China
Infringement complaint: complaintComplaint
US$ 590 ~ 600

Description
Description:
Advantage:
- Straight Holes and Fast Penetration Rate.
- Less Torque in all ground conditions.
- Easy System to lock and Unlock Ring.
- Drilling at any angle required.
- More Holes and Low investment.
Concentric Casing System Ring Bit is the latest new and simple product line designed and manufactured by OCMA DrillTech for drilling through overburden with casing.

It can be used in all ground conditions and drilling applications as: Foundation construction, Piling construction, Water Well and Geothermal, Tunneling and Horizontal drilling.

 
Overburden Drilling Systems-Concentric Casing
Technical Data
Casting TubeReamed Hole Dia(mm)Casting Shoe Inner DiaDTH Hammer Type(E)Drill Pipe(mm)
Outer Dia(mm)Inner Dia(mm)
168148-156185140HD55 QL5089
178158-166195150HD55 QL5089
183163-171193154HD55 QL5089
194174-182211166HD65 QL60114
219199-207237193HD65 QL60114
245225-233260210HD85 QL80114
273253-257308241HD85 QL80114
325305-309378281SD10 NUMA100114



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