Symmetric overburden drilling Bit with 3 pieces

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price: Negotiable
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Delivery term: The date of payment from buyers deliver within days
seat: Beijing
Validity to: Long-term effective
Last update: 2017-11-06 09:26
Browse the number: 82
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Symmetric overburden system 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:

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